1. Food grade silicone, non-slip design, soft, tough and durable, will not damage teeth and jaw 2. The white snap tape can be disassembled and assembled freely, which is convenient and hygienic to clean. 3. Healthy and environmentally friendly materials, non-toxic and odorless, safe and practical 4. Use: A facial exercise product that helps strengthen and tone facial muscles 5. Material: silicone 6. Size: 3x3.8x3.5cm 7. Weight: 25g
