【Food Grade Silicone Material】The slow feeder dog bowls are made of 100% food grade silicone. high temperature resistance of 230℃，low temperature resistance of -40℃. It can be heated without releasing carcinogens. easy to freeze,suitable for hot weather and alse microvave safe. The soft silicone material prevents the pet’s snout and mouth from being scratched. and the dog slow feeder bowl is BPA, PVC, and phthalate free. 【Eating Time Up to 10x Slower】The slow eating dog bowl is designed by hexagon honeycomb can help your dog slow down your dogs eating time up to 10X that makes it develop good eating habits. And make your pets eating funnily,keeping happy. And help it promoting intelligence. It can relieve the obesity of the dog and control calories intake. It's profect for wide or short snout breeds too. 【Recommended by Vet:】Using this slo bowl can avoid issues caused by fast eating. such as digestion,choking,bloating,vomiting or canine obesity and so on. Pure silicon does not cause inferior plastic allergies reaction. Don't worry about the risk of inferior plastic coating being eaten by pets absolutely.