WAUDOG Fun Natural is a motivational toy in the shape of a stick. It stimulates the dog’s curiosity and promotes its emotional and behavioral development. The series of toys for dogs is made of biodegradable rubber, which helps protect the environment, as confirmed by the US Department of Agriculture (USDA). The durable and resistant rubber will serve your pet for a long time. Thanks to the holes in the toys, you can hide treats and wet food, making them even more attractive to your pet. In addition, it is safe for animals, has no unpleasant smell, and won't harm your pet's gums. The toys remain in good condition even after long-term use. Advantages: - Made from biodegradable rubber. - Durable. - Have holes for treats. - It helps train and entertain your pet. - It has no unpleasant smell.