Fireproof and Water-resistant(17"X13"X13"): Compared with other storage ottoman, our fireproof storage ottoman is made of 3 layered non-itchy silicone coated fiberglass which stands up the temperature up to 2000. The Storage Chest is fireproof and waterproof,which can effectively protect your important files in a fire and wet weather. They will further keep your files intact. It has been passed by SGS TEST(UL94 Certified) for a longer life and can be used with peace of mind. Leather and dust-proof material: Compared with other storage ottoman, The seat part of our stool is made of waterproof PVC leather. It is worth mentioning that our storage ottoman can hold up to 440 lbs. The sturdy fixing plates and the high quality fibreboard give it a better load-bearing capacity and will not warp, so you can sit or stand safely on the stool. And the dust-proof material we use prevents dust or hair from sticking to the outside of our stool, always keep it neat and tidy.