MasterLock - Fireproof and Waterproof Security Box - A4 Size

Secure documents, digital storage devices, and hobby equipment

Protect your most important valuables—whether documents, digital media, or airsoft and hobby equipment—with this Fireproof and Waterproof Security Box from Master Lock. This sturdy box combines high fire resistance with complete water protection, making it perfect for home, office, and equipment storage.

Performance you can rely on

With 60 minutes of certified fire protection at temperatures of up to 927°C and proven watertightness under full submersion, this security box gives you peace of mind no matter what happens. It’s easy to handle and can also be bolted down for extra protection.

Ideal for documents and valuables

• Fireproof for 60 minutes: Protects documents and electronics from high heat.
• Waterproof construction: Tested for full submersion—protects against water damage.
• A4 size: Holds documents without folding, as well as USB drives and smaller equipment.
• Key lock with 2 keys: Reliable and easy to use – no codes or batteries required.
• Versatile use: Suitable for everything from papers and jewelry to airsoft and hobby equipment.

Technical specifications

• Fire protection: 60 minutes at up to 927 °C
• Waterproofing: Certified for submersion and leak protection
• External dimensions (H x W x D): 19.3 cm x 41.9 cm x 37.5 cm
• Internal dimensions (H x W x D): 13.6 cm x 32.1 cm x 23.2 cm
• Capacity: 10.2 liters
• Weight: approx.14.1 kg
• Lock type: Key lock (2 keys included)
• Color: Charcoal gray

About MasterLock

MasterLock was founded in the USA in 1921 and is now one of the world's leading manufacturers of locks and security products. The brand is known for its durability, reliability, and innovation—and is used by millions of people worldwide. If you see a lock in an American movie, there's a good chance it's a MasterLock. Their products are used everywhere from industry and the military to private homes and hobbies—and provide peace of mind under pressure, whatever your needs.

Choose the MasterLock Fireproof and Waterproof Security Box—A4 size when you want to protect what really matters, at home, at work, and outdoors.

The customer purchases the goods at their own risk and is responsible for complying with all local legal requirements regarding the purchase, possession, use, or transport of the goods available in the online store.

This includes, but is not limited to, ASG (softguns), air rifles, and paintball replicas, which may be subject to specific regulations concerning weapons and ammunition.

Restrictions on the purchase, possession, use, or transport of these goods may apply in the destination country, and the seller assumes no responsibility for this. Any fees or costs (including administrative fees, validation, taxes, and customs duties) are the customer's responsibility.

The use of ASG (softguns), air rifles, and paintball replicas requires appropriate safety measures and caution. These products are not intended for persons under 18 years of age.