This is a handmade key case. It uses a screw-type construction, making it very smooth and easy to take keys in and out. It should be able to hold about two keys without any problems. Material: N Belinda Semi-Aniline Finish, Gray Because it is a chrome-free combination tanned leather, it doesn't age much, but it is somewhat water-resistant and has a good firmness. Key case, key ring, carabiner, key holder, leather, vegetable-tanned leather, chrome-tanned leather, aging, cordovan, cowhide, pigskin, horsehide, sheepskin, handmade, leathercraft