Top 10 Drop Box for Large Envelopes – Drop Slot Safes

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1. DuraBox

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Payment, Checks, Home or Office Use, Documents and More For Commercial, Durabox Heavy Duty Wall Mount Locking Deposit Drop Box Safe W300 Gray For Receiving Letters

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DuraBox #ad - Interior dimensions: 13" x 9-3/4" x 3-3/4" D. Versatile - constructed out of heavy-duty 14-gauge powder coated steel, the large safety deposit box is perfect for everyday and commercial use.

Secure deposits - full steel construction. Easy to install - wall mount locking mailbox includes installation hardware for both concrete and wood. 4 pre-drilled mounting holes align with the door to facilitate the installation process. Exterior dimensions: 10" wide x 4" Deep x 16-1/4" High. Capacity - drop slot opening is 8-3/4" wide x ½" high. Heavy duty - durable wall-mount locking mailbox provides secure all-day depositing of valuable and private items such as cash, checks, letters, and payments.

Piano hinge with reinforced double steel door protects against prying and a metal baffle inside the unit prevents against fishing. Tubular lock and keys are difficult to replicate and provide an added layer of protection.
BrandDuraBox #ad
ManufacturerDuraBox #ad
Weight12.2 Pounds
Part NumberW300
ModelW300

2. Adir Corp.

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Donation Box, ADIR corp Wall Mountable Steel Suggestion Box with Lock, Ballot Box, Key Drop Box Black with 25 Free Suggestion Cards, Collection Box

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Adir Corp. #ad - Secure lock. This box can be used by customers and employees for making anonymous suggestions or comments about a company or service. Easy installation. Versatile use. Durable construction.

This allows you to easily complement your taste, this product is available in black, blue, interior design or company colors. Two keys are included for quick and easy access inside. It also provides the perfect solution for convenient and secure, including key drops, drop box applications, interoffice mail and payment drops. To meet everyone’s taste, red and copper. Variety of color options.

To ensure confidentiality, the box is outfitted with a secure lock. The box can be easily mounted on the wall with included hardware or can be simply placed on a table, desk or another flat surface. To supply long-lasting strength and use throughout the years, this suggestion box is durably crafted of solid steel with a powder-coated, scratch-resistant finish.
BrandAdir Corp. #ad
ManufacturerAdir Corp. #ad
Height6 Inches
Length7 Inches
Weight3 Pounds
Width8.5 Inches
Part Number631
Model631
WarrantyLimited Life Time

3. DuraBox

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Cash, Keys, Mail, Checks W500 Black, DuraBox Wall Mount Locking Drop Box Steel Mailbox for Rent Payments

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DuraBox #ad - Product weight 16 lbs. The security baffle prevents fishing from the drop-slot, and a continuous piano hinge on the retrieval door prevents prying. Retrieval door clearance of 5-1/4" H x 9-1/2" W. Efficient design - the deposit slot opening is 9-3/8" wide and accommodates items up to 7/8" thick.

This unit is not ideal for receiving large mail items such as books, manila envelopes, magazines, catalogs, and other larger mail because of the anti-phishing baffle. Perfect for daily residential and commercial use. Dimensions - exterior dimensions: 15" h x 12" w x 4-1/4" d. Keep your packages and mail organized and secure. Secure – comes with a tubular style key lock and 2 keys that are difficult to copy.

Made from 14-gauge scratch and rust resistant powder-coated steel. Quality design – durable steel construction provides secure all-day depositing of valuables or private items such as cash, checks, remotes, small envelopes, car keys, and more. Includes mounting hardware for wood and concrete. Mounting hardware included - Designed to be mounted on a wall.
BrandDuraBox #ad
ManufacturerDuraBox #ad
Weight16 Pounds
Part NumberW500

4. Okuna Outpost

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Car Mechanics 4.12 x 9.5 In, 200 Pack, Key Drop Envelopes for After Hours Box

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Okuna Outpost #ad - Auto mechanic supplies: these car key drop off envelopes feature convenient service prompts such as oil leak, alignment, and tune up boxes as well as client contact information fields.

Dimensions: each car key envelope measures 4. 12 x 9. 5 inches, suitable for standard size keys. High quality: each drop off box envelope is made of durable kraft paper with peel and stick adhesive closure. Key drop envelopes: use this set of after-hours overnight key envelopes to ensure your guests can safely and securely drop off their auto keys. What's included: this auto mechanic key drop off set comes with 200 peel and seal key envelopes.
BrandOkuna Outpost #ad
ManufacturerJuvo+ #ad
Part NumberZJMGO

5. ALBEN

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4 1/8 x 9 1/2, Overnight or Early Bird, Key Drop Envelopes for After Hours – 500 Count Auto Shop Repair or Service Peel & Seal Drop Box Envelopes, Automotive Mechanic Night Drop Off, Kraft Paper

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ALBEN #ad - Customer convenience & safety–our night key drop box envelopes are made with strong 28lb Kraft paper and may also be used as cashier envelopes, safe drop envelopes for money, cash deposit envelopes or money drop envelopes.

All inclusive early bird envelopes-our early bird drop off envelopes include customer Drop Off Instructions, Blank Space for Additional Information, Checklist for Requested Repairs/Services, Personal Information, Terms, Signature and Date. Easy to use repair envelopes-each overnight key drop box comes with a neatly pre-printed checklist to check off the desired repair. 500 after hours key drop envelopes-alben’s night drop envelopes are ideally made in Number 10 Envelope Size measuring 4 1/8 inches Wide and 9 1/2 inches Long with a Peel and Seal closure flap.

Auto repair shop key envelopes-we ensure that our repair shop envelope drop box will meet your expectations and offer returns on our key drop off box; If you have issues with key drop box automotive outdoor set, contact us and we will ensure you have a positive experience.
BrandALBEN #ad
ManufacturerAlben #ad
Part Numberkde

6. AdirOffice

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Hanging Secured Postbox, Durable Spacious Key or Combination Lock Box Perfect for After Hours Deposits Payments Key and Letter Drop, AdirOffice Ultimate Drop Box Wall-Mounted Mailbox

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AdirOffice #ad - Configuration options. Convenient, key drops, after-hours drop box. Wide enough to accommodate bigger items than your average drop box slot, small parcels, the innovative bin door featured here is designed to accept keys, letters and checks.

The adir ultimate wall-mounted mailbox comes in two sizes, furnished in your choice of black, white or blue. Secure design. You can also select the user-set combination lock or key lock for enhanced security against unauthorized access. High-quality, durable construction. State-of-the-art bin door. Made using heavy-duty, scratch-resistant finish, 16-gauge galvanized steel construction with a powder-coated, this product will provide long-term durability and use for years to come.

This wall mounted mailbox provides the perfect solution for convenient and secure, payment drops, drop box applications, including night drops, interoffice mail and much more. The locking door access includes a patented, anti-pry latch locking mechanism.
BrandAdirOffice #ad
ManufacturerAdirOffice #ad
Height12 Inches
Length4.5 Inches
Weight7 Pounds
Width10.4 Inches
Part Number631

7. DuraBox

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Checks Grey, Rent Payments, Keys, DuraBox Through-The-Door Locking Drop Box D500 Steel Mailbox for Depositing Mail

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DuraBox #ad - Capacity - exterior dimensions are 15" h x 12" w x 6" d. Interior capacity of 505 cubic inches. Deposit on one side of the dropbox and pickup from the retrieval door on the other side. This locking mailbox is perfect for use at home, at work or at school.

Hardware included. Quality design - heavy-duty steel dropbox for secure, remotes, all-day depositing of valuables or private items such as rent checks, small envelopes, car keys, and more. Installation - through the door locking mailbox has 4 predrilled mounting holes making installation simple. Scratch and rust resistant powder coated steel. Secure - features a tubular style key lock with 2 tubular keys that are difficult to copy. Weighs 17 lbs.

Convenient - designed to be mounted on and through a door, in office, requiring a rectangular cutout for the unit's drop slot. Designed to be installed on to doors with a maximum thickness of 1-3/4". Deposit slot is 9-1/2" wide and accommodates items up to 1-3/4" thick. Made from 14-gauge. Keep your packages and mail organized and secure. Security baffle on drop slot prevents fishing, and a continuous piano hinge on the retrieval door makes it difficult to pry.
BrandDuraBox #ad
ManufacturerDuraBox #ad
Weight17 Pounds
Part NumberD500
ModelD500

8. ALBEN

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Automotive Mechanic Night Drop Off, Overnight or Early Bird, 4 1/8 x 9 1/2, Kraft Paper, Key Drop Envelopes for After Hours – 50 Count Auto Shop Repair or Service Peel & Seal Drop Box Envelopes

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ALBEN #ad - Customer convenience & safety–our night key drop box envelopes are made with strong 28lb Kraft paper and may also be used as cashier envelopes, safe drop envelopes for money, cash deposit envelopes or money drop envelopes.

Easy to use repair envelopes-each overnight key drop box comes with a neatly pre-printed checklist to check off the desired repair. Auto repair shop key envelopes-we ensure that our repair shop envelope drop box will meet your expectations and offer returns on our key drop off box; If you have issues with key drop box automotive outdoor set, contact us and we will ensure you have a positive experience. All inclusive early bird envelopes-our early bird drop off envelopes include customer Drop Off Instructions, Terms, Blank Space for Additional Information, Checklist for Requested Repairs/Services, Personal Information, Signature and Date.5

500 after hours key drop envelopes-alben’s night drop envelopes are ideally made in Number 10 Envelope Size measuring 4 1/8 inches Wide and 9 1/2 inches Long with a Peel and Seal closure flap.
BrandALBEN #ad
ManufacturerAlben #ad
Part Numberkde

9. A Plus

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500 Qty. W1, EBNO-1-Y, Key Drop Off Envelope

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A Plus #ad - Yellow highlighting reinforces that customer must sign to acknowledge repair request. Convenient for customers to drop keys for vehicle repair outside of business hours. Customers easily fill out information regarding the requested repair. 6" x 9" open end drop off envelope for keys. Quantity: 500 .
BrandA Plus #ad
ManufacturerA Plus #ad
Weight8.5 Pounds
Part NumberEBNO1-Y

10. EnDoc

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30 Pack, Office, Clasp Envelopes – 10x13 Inch Brown Kraft Catalog Envelopes, with Clasp Closure & Gummed Seal – 28lb Heavyweight Paper Envelopes for Home, Legal or School., Business

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EnDoc #ad - Safe for storage – ideal 10 x 13 size is perfect for both mailing & Storing Important Paperwork, Stamps, Craft Projects, Dies & more; Buy in Bulk & Save Big. Heavy duty envelopes 10x13 these professional-looking Multipurpose Envelopes feature a dual-purpose seal that allows multiple uses.

Catalog orientation – classic open-end style enables fast, convenient Stuffing for Legal Letter, Coupon, Pamphlet, Magazine & Other Common Mailers. Made in usa, heavy duty paper – extra strong, durable 28lb standard brown kraft envelopes proudly made right here in the United States Provides Confidential Protection & Exceptional Rip, Tear & Puncture Resistance - Thank you for supporting American manufacturing!. Double seal design – offers reliable security for personal & Professional Mailing; Sturdy Metal Dual Prong Clasps & Gummed Seals w/ Tough Adhesive Glue.
BrandEnDoc #ad
ManufacturerEnDoc #ad
Part NumberClasp Brown