Zwig(R) has a squishy, hollow core that doesn't compromise on durability. Perfect for sharing, and safer than a stick. Features Safe alternative to sticks, won't splinter or pierce inside of mouth Protects hands from excited pups and eager teeth Hollow, squishy feel is satisfying to chew, fetch, tug and carry Floats in Water Non-toxic & Dishwasher Safe Made with zero-waste and recyclable Zogoflex(R) material in Bozeman, Montana Specs 13.75"/35 cm Additional Details: PLAY SAFE. PLAY SMART. Please remember your dog's safety is your responsibility. No dog toy is indestructible. Choose only toys that are the appropriate shape and size for your dog and always supervise your dog's use of this toy. If damage occurs, please discontinue use of the toy immediately.