The DormCo The Iron Brick Trunk is crafted from rotational mold polyethylene non-toxic plastic. This trunk offers superior impact resistance as part of its anti-corrosion, waterproof, and airtight construction. You can use this trunk in high-moisture and humid conditions, whether you're storing computers, medical equipment, photo equipment, or tools. The locks, clasps, and hardware are crafted of rugged 304 stainless steel. This trunk comes in your choice of available color options.