Serious coin collectors, this fireproof storage box is exactly what you need to protect your valuable collection! The main box is made from 3-layer silicone-coated fiberglass that can withstand temperatures up to 2200°F and is UL94 VTM-0 certified for fire resistance. It's also water-resistant, giving you crucial extra time to save your collection in case of emergency. The set includes 36 clear plastic coin capsules, 100 paper currency sleeves, and foam gaskets in 5 different sizes (40/35/30/25/20mm) to fit various coin dimensions. The foam insert has 36 individual grid compartments that hold the coin capsules snugly, plus there's a velcro pocket for additional storage. The coin capsules are made from thick, clear plastic that's PVC-free to prevent oxidation and damage to your coins, with a crescent-shaped opening that makes them easy to open and close. The currency sleeves are high-quality OPP material with excellent clarity for displaying your bills. The double zipper closure ensures everything stays securely inside, and the overall case measures 9x5x3 inches - compact enough to store easily but spacious enough for a substantial collection. Whether you're storing valuable coins, currency, medals, or other small collectibles, this case provides professional-level protection without the professional-level price tag. The organization system makes it easy to view and access your collection while keeping everything secure and protected from environmental damage. If you've been storing your coins in less-than-ideal conditions or want proper protection for your growing collection, this fireproof case gives you peace of mind that your valuables are as safe as possible.