Waterproof Dog Beds. What many people want but can't find. Our variety of waterproof and water resistant beds, mats and beds with liners, even waterproof fabric to make your own bed or liner is sure to help. Products are marked as waterproof or water resistant. Crypton is waterproof. Several of Bowsers products have waterproof liners and they sell waterproof fabric. Luca has water resistant inner liners on their beds. We even carry a waterproof bed cover for your own bed and dog diapers for extra protection.