Bionic Stuff'n'Chew is a brilliant treat reward toy for your pup. Bionic Stuff'n'Chew is made from a Patent Bionic Rubber which is extremely tough and durable. The Bionic Stuff'n'Chew dog toy is fantastic for placing multiple treats inside the toy, this toy stimulates your dogs primal licking and chewing desires whilst they work to grabbing their delicious treats from inside the toy.