--- product_id: 268385806 title: "Sentry Safe Black Fireproof and Waterproof Safe, File Folder and Document Box with Key Lock, Ex. 14.3 x 15.5 x 13.5, HD4100" brand: "sentrysafe" price: "£330.09" currency: GBP in_stock: true reviews_count: 7 url: https://www.desertcart.co.uk/products/268385806-sentry-safe-black-fireproof-and-waterproof-safe-file-folder-document store_origin: GB region: United Kingdom --- # ETL Verified 72-hour waterproof submersion Flat key lock with 2 keys for secure access UL Classified 1550°F fire resistance for 30 mins Sentry Safe Black Fireproof and Waterproof Safe, File Folder and Document Box with Key Lock, Ex. 14.3 x 15.5 x 13.5, HD4100 **Brand:** sentrysafe **Price:** £330.09 **Availability:** ✅ In Stock ## Summary > 🔥💧🔐 Protect What Matters Most — Because Your Legacy Deserves the Best! ## Quick Answers - **What is this?** Sentry Safe Black Fireproof and Waterproof Safe, File Folder and Document Box with Key Lock, Ex. 14.3 x 15.5 x 13.5, HD4100 by sentrysafe - **How much does it cost?** £330.09 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/268385806-sentry-safe-black-fireproof-and-waterproof-safe-file-folder-document) ## Best For - sentrysafe enthusiasts ## Why This Product - Trusted sentrysafe brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact Yet Capacious:** Medium 0.65 cubic feet capacity in a sleek 15.5 x 13.5 x 14.3 inch footprint—perfect for home or office. - • **Secure Key Lock System:** Flat key lock design prevents accidental opening during fire emergencies; includes 2 keys for convenience. - • **Flood-Proof Peace of Mind:** ETL Verified waterproofing keeps contents dry even after 72 hours submerged in water. - • **Unmatched Fire Protection:** Endures extreme 1550°F heat for 30 minutes to safeguard your irreplaceable documents and valuables. - • **Organized Document Storage:** Built-in straps and spacious interior fit letter-size hanging files, passports, and vital papers with ease. ## Overview The Sentry Safe HD4100 is a robust fireproof and waterproof safe designed to protect important documents, small valuables, and digital media. UL Classified to withstand 1550°F for 30 minutes and ETL Verified for 72 hours underwater, it features a secure flat key lock and built-in straps for organized storage. Its medium size fits letter-size files, making it an essential safeguard for home or office security. ## Description Buy Sentry Safe Black Fireproof and Waterproof Safe, File Folder and Document Box with Key Lock, Ex. 14.3 x 15.5 x 13.5, HD4100 online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase. Review: cheap quality - cheap quality Review: Size not suitable for A4 documents - Size can fit an A4 paper however with almost no clearance which is not convenient. I think its more suitable for letter size ## Features - Fireproof box is UL Classified to endure 1/2 hour at 1550 F to protect irreplaceable doents, small valuables, DVDs, and USBs from fire - Waterproof box is ETL Verified for 72 hours of water submersion offering peace of mind in the event of a flood - Fire safe features a flat key lock to prevent the lid from opening in the event of a fire; Includes 2 keys. Material - Captured Fire Insulation - Doent safe features built-in straps for easy storage of passports, social security cards, and birth certificates; Fire box accommodates letter-size hanging files and folders (sold separately) - Exterior: 15.5 inch W x 13.5 inch D x 14.3 inch H; Interior: 12 inch W x 8.1 inch H x 11.5 inch H; Medium capacity 0.65 cubic feet; Weighs 39 pounds.Note: All dimensions and weights provided are approximate, and are subject to change without notice ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00GE57DFK | | Additional Features | Fireproof, Waterproof | | Alarm | Lock | | Best Sellers Rank | #203,281 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #447 in Cabinet Safes | | Brand Name | SentrySafe | | Capacity | 0.65 Cubic Feet | | Chamber Depth | 8.1 Inches | | Chamber Height | 11.5 Inches | | Chamber Width | 12 Inches | | Color | black | | Control Type | Key Control | | Customer Reviews | 4.5 4.5 out of 5 stars (14,093) | | Included Components | Privacy Key Lock, Sentrysafe Hd4100Cg Fire-Safe Waterproof File, Warranty | | Item Dimensions D x W x H | 34.3D x 39.4W x 36.3H centimeters | | Item Type Name | Fireproof Safe and Waterproof Safe | | Item Weight | 38.85 Pounds | | Lock Type | Key | | Manufacturer | SentrySafe | | Manufacturer Part Number | HD4100 | | Manufacturer Warranty Description | One year limited warranty | | Material Type | Captured Fire Insulation | | Model Number | HD4100 | | Mounting Type | Floor Mount | | UPC | 049074021450 | | Unit Count | 1 Count | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** SentrySafe - **Capacity:** 0.65 Cubic Feet - **Colour:** black - **Lock type:** Key - **Product dimensions:** 34.3D x 39.4W x 36.3H centimeters ## Images ![Sentry Safe Black Fireproof and Waterproof Safe, File Folder and Document Box with Key Lock, Ex. 14.3 x 15.5 x 13.5, HD4100 - Image 1](https://m.media-amazon.com/images/I/91kGgNniuyL.jpg) ![Sentry Safe Black Fireproof and Waterproof Safe, File Folder and Document Box with Key Lock, Ex. 14.3 x 15.5 x 13.5, HD4100 - Image 2](https://m.media-amazon.com/images/I/71-zDmTQrvL.jpg) ![Sentry Safe Black Fireproof and Waterproof Safe, File Folder and Document Box with Key Lock, Ex. 14.3 x 15.5 x 13.5, HD4100 - Image 3](https://m.media-amazon.com/images/I/71Wpo8+wXSL.jpg) ![Sentry Safe Black Fireproof and Waterproof Safe, File Folder and Document Box with Key Lock, Ex. 14.3 x 15.5 x 13.5, HD4100 - Image 4](https://m.media-amazon.com/images/I/611h058iy-L.jpg) ![Sentry Safe Black Fireproof and Waterproof Safe, File Folder and Document Box with Key Lock, Ex. 14.3 x 15.5 x 13.5, HD4100 - Image 5](https://m.media-amazon.com/images/I/61kyR-HKCvL.jpg) ## Questions & Answers **Q: I really need to know the cubic footage of this safe to compare to other ones. Do you know?** A: I measured the inside and found it to be:9 1/2" tall, by 8" deep, by 12" wideAdditionally, the recess in the lid is 2"tall by 8" deep, by 12" wide.All told, the cubic inches are 1104 and cubic footage would be 0.639You can stand a 3-ring binder upright or on it's side. **Q: There does not seem to be any handles,but are there at least handholds for moving it?** A: No handles, nothing to grab **Q: Can this fit legal-paper sized documents?** A: No, it isn't wide enough. It only will fit regular size file folders (for 8.5 x 11" documents). **Q: What is the cubic foot size of the SentrySafe HD4100CG?** A: the opening is 8" x 12" wide, with a ridge that holds a hanging folder just off the bottom, about 9" hanging depth. there is a little head room so the folder tabs will clear the top when closed. ## Customer Reviews ### ⭐⭐ cheap quality *by M***D on 21 January 2023* cheap quality ### ⭐ Size not suitable for A4 documents *by H***Y on 29 June 2022* Size can fit an A4 paper however with almost no clearance which is not convenient. I think its more suitable for letter size ### ⭐⭐⭐⭐⭐ Review *by O***O on 7 November 2023* All quality ## Frequently Bought Together - SentrySafe Black Fireproof and Waterproof Safe, File Folder and Document Box with Key Lock, Ex. 14.3 x 15.5 x 13.5 inches, HD4100 - Pendaflex Hanging File Folders, Letter Size, Assorted Colors, 1/5-Cut Adjustable Tabs, 25 Per Box (81663) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/268385806-sentry-safe-black-fireproof-and-waterproof-safe-file-folder-document](https://www.desertcart.co.uk/products/268385806-sentry-safe-black-fireproof-and-waterproof-safe-file-folder-document) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-03*