K9 Ballistics Round Tough Dog Bed - Ripstop Ballistic Fabric CHEW PROOF RATING: 4/5; this bed is intended for LIGHT or MODERATE chewers and will resist 90% of chewing dogs. For a heavy chewer or very destructive dog, please consider our Ballistic Chew Proof Cot Super durable Ripstop Ballistic Material cover resists chewing, scratching, water, hair, dirt, and odors, and can be easily wiped down or machine-washed CertiPUR-US shredded foam mattress provides dense, flexible support for dogs that like to nest Great for outdoor and indoor use; perfect for dogs that like to nestle deep into their bedding or munch on corners Covered by our 90-Day Chew Proof Warranty; if your dog damages the bed within the first 90 days, we'll replace the cover once free of charge