1. TPR rubber, safe and odorless, soft and comfortable2. Buckle design, easy to wear3. Front opening design, does not affect breathing4. The size can be adjusted according to the dog s mouth shape, comfortable fit, firm and stable5. Anti-barking, anti-eating, anti-biting, safe travel6. Material: TPR rubber7. Size: small about 9.7 x 5.8 x 4cm, large about 12 x 7.1 x 5.7cm8. Weight: about 150 grams for small size, about 200 grams for large size

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