HomeGardenDeal&reg; Food-grade Silicone Interactive Slow Pet Feeder Materials: food-grade silicone Size: 24*18*3cm Product flexibility is very strong, no matter how you knead, it won't be deformation Unique design of the bottom, good stick to the ground. The pillars of products with different sizes, when food in, only the cat /dog hyperactivity tongue, to eat more food, and to better train the flexibility of the tongue.