Each P.L.A.Y. toy features durable double-layers and double-stitched edges for a long-lasting toy! New ChewShieldTM technology adds a protective lining to provide extra durability. Eco-friendly PlanetFill® filler is made from 100% post-consumer certified-safe recycled plastic bottles for a dog toy that is both safe for your pet and safe for the planet. Your dog will have a blast with these bar toys! Collect them all! Machine Washable & Dryer-Friendly.