If buried, how safe are the contents from the elements?

Just by looking at mine, If it is locked and undamaged and used for the storage of documents and digital media . probably safe for a short time against accidental buria in damp rather than waterlogged soil. But there is no way it is designed for deliberate lnng-term burial

My safe will not open - does anyone know what to do?

This happened to me I had to pay to get a locksmith to open it for me. These are from a bad batch I believe, I bought another same company everything, different type of closure tho and never had a problem since, that was 3 years ago and my new one still works fine. Hope that helps

Is there a requirement to open the box for 30 minutes weekly to avoid moisture build up?

I have used this type of Safe for some years & have noticed no condensation moisture problems. However we do store it in a warm environment and I would not recommend keeping it in a very cold or damp environment. I hope this helps.

Plastic casing shows a split externally after storage- faulty but no obvious guarantee

The casing is not split in this product which I have.

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MASTER LOCK Certified Fireproof and Waterproof Safe Box with Key, 7.8L, 391 x 168 x 363 mm, Portable with carrying handle, for home and professionals

MASTER LOCK Certified Fireproof and Waterproof Safe Box with Key, 7.8L, 391 x 168 x 363 mm, Portable with carrying handle, for home and professionals

Product ID: 48649593

Details

Brand
Master Lock
Capacity
7.8 litres
Colour
Black
Included components
Chest Key &
Item weight
20.5 Pounds
Lock type
Key

💧ETL verified waterproof submersion

🔑Secure tubular key lock

🔥UL certified 843°C fire resistance

A$394

Duties & taxes included

In stock

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Description

🔥💧 Lock in safety, unlock peace of mind 🔑

SMART KEY LOCK SAFETY - Tubular key lock prevents accidental opening during emergencies, ensuring your valuables stay secure when it matters most.
SPACIOUS A 4 READY INTERIOR - 7.8L capacity fits flat A4 documents and digital storage devices, keeping your essentials organized and safe.
PORTABLE SECURITY ON THE GO - Lightweight 9.3 kg design with a sturdy carrying handle for effortless transport between home and office.
ULTIMATE FIRE WATER SHIELD - Protects your vital documents and digital media from extreme fire (843°C) and flood conditions with UL and ETL certifications.
TRUSTED MASTER LOCK ASSURANCE - Backed by a 2-year limited warranty plus an after-fire replacement guarantee for peace of mind.

The MASTER LOCK Certified Fireproof and Waterproof Safe Box is a robust 7.8L security solution designed for professionals and home users alike. UL classified to withstand half an hour at 843°C and ETL verified for water submersion, it safeguards important documents, digital media, and valuables. Featuring a portable design with a carrying handle and a tubular key lock, this safe balances convenience with trusted protection. Its spacious interior fits A4-sized papers flat, while the 2-year warranty and after-fire replacement guarantee underscore Master Lock’s commitment to reliability.

Specifications

ASIN	B0158OFGPQ
Best Sellers Rank	9,994 in DIY & Tools ( See Top 100 in DIY & Tools ) 11 in Cabinet Safes
Brand	Master Lock
Capacity	7.8 litres
Chamber Depth	8.3 Inches
Chamber Height	16.8 Centimetres
Colour	Black
Control Type	Button control
Country of Origin	Mexico
Customer Reviews	4.4 4.4 out of 5 stars (1,377)
Global Trade Identification Number	00049074025632
Included Components	Chest, Key & Manual
Item Dimensions D x W x H	36.3D x 39.1W x 16.8H centimetres
Item Type Name	Fireproof Security Safe Fire and Water Resistant For A4 Documents, Electronics Etc
Item Weight	20.5 Pounds
Lock Type	Key
Manufacturer	Master Lock
Manufacturer Warranty Description	2-year product warranty., After-fire replacement warranty.
Material	Polyethylene (PE)
Model Number	LCHW20101
Mounting Type	Table top
Number of Items	1
Part Number	LCHW20101
Special Features	Fireproof, Waterproof
UPC	049074025632
Unit Count	1.0 count
Water Resistance Level	Waterproof

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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