2nd Generation Set Lanyard Shaping Masseter Training Ball Mandibular Trainer, Color Random Delivery

1. Food grade silicone, non-slip design, soft, tough and durable, will not damage teeth and jaw2. 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 practical4. Durable, high temperature resistant, BPA free, safe and non-toxic5. Strengthen facial muscles, clean before and after use6. Improve nasolabial folds, improve nasolabial folds, clear double chin7. Improve facial muscles and firm skin8. Use: A facial workout product that helps strengthen and tone facial muscles9. Material: silicone10. Size: about 3x3.6x4.3cm for 2nd generation, 3x3.5x3.5cm for 6th generation11. Weight: about 32g for 2nd generation, 28g for 6th generation