First Alert 0.17 cuft, fire & waterproof safe, perfect for storing your valuable documents or credentials, ul classified, tested to withstand an external temperature up to 1,550 degrees for 1/2 hour & independently verified to protect electronic media, such as memory sticks, cds, dvds & external hard drives, features a waterproof seal which protects your valuables if the case happened to be sprayed or even submerged in water, interior dimensions: 3.7″h x 11.33″ w x 7.09″d.