Dụng cụ ngậm tập luyện định hình cơ hàm nhai cổ đẹp

Specifications: Chewing has been shown to decrease cravings, and leading to more weight loss, so this product is a perfect choice. Facial muscle trainer can improve your chin line and make your facial jaw look younger and better. It can be disassembled and cleaned, which is convenient and hygienic. Item Name: Facial Muscle Trainer Material: Silicone, Polyurethane Features: Facial Enhance, Chew Muscle Trainer, Convenient, Hands Free Size: 5cm x 5.5cm/1.97" x 2.17" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Facial Muscle Trainer