Engineered to last, Bionic Rubber toys are ultra-tough and virtually indestructible. Tested in rescue shelters around the U.S., these toys really stand up to aggressive chewing and play. Made of 100% FDA food-grade, recyclable materials. These unique toys float and are dishwasher safe, for easy cleaning. The Bionic Rubber Urban Stick features a splinter-free design with no sharp edges, and weighted ends to create a spiral motion when thrown.