Made of non-toxic soft flannel and rubber material, durable and high bite resitance. With squeak device in this toy, can make clean sounds when it is squeezed, attract the pets to play it. Always play these toys with them can improve the relationship of yours. Can be very good chew toys, help to clean pets' teeth and keep healthy. Lovely shape can attract your dogs to play. Help your dog release their pressure, and help them manage their emotion.