These hard, cone-shaped Zanies toys are the perfect way to satisfy a dogs natural chewing instinct. Made of dense rubber to withstand even the most aggressive chewers; grooved design helps clean teeth and stimulate gums. Dimpled surface adds textural interest. Zanies® Cosmic Cones are made of dense, hard rubber, designed to withstand even the most aggressive chewers. Fun cone shape is easy to grab and ideal to gnaw to encourage dog’s natural chewing instinct. Grooved design helps clean teeth and stimulate gums and the dimpled surface adds textural interest. Hollow center can be filled with treats to add an intellectual challenge for dogs prone to separation anxiety. Available in Rocket Red 4".