Stop potential bed bugs from reaching your baby"s sleeping space with the Bargoose Bedbug Proof Zippered Crib Mattress Cover. Made of 100% stretch polyester knit, this crib mattress cover is tested and certified to protect against bed bug entry and escape. Breathable and soft, this mattress cover also is dust allergen proof, waterproof and fire retardant with a self-locking, rust-proof zipper. Hit the sack with peace of mind knowing that your baby and crib are free of bedbugs and allergens. Machine wash cold and tumble dry low.