Feature: 1. Suitable: For symptoms such as restricted mouth opening and masticatory muscle atrophy after radiotherapy for head and neck tumours. 2. Function: Helps to increase the distance between the incisors, improves difficulty in opening the mouth, activates facial muscles, massages the muscles, increases blood circulating and oxygenates. 3. Face Lifting: Works on the jawline and has a lifting effect on the face, helps to enhance facial outline, tighten the skin, lift the jawline and prevent double chin. 4. Portable: This face exerciser is compact, portable and convenience to use. Whether in front of the mirror, in the bathroom, or at any other time. Keep exercising and you are sure to improve look. 5. Silicone: Made of silicone, which is soft and skin friendly, friendly to the environment, do not need to worry about hurting the skin of face or mouth. Specification: Item Type: Facial Exerciser Material: Silicone Use: To improve the difficulty of opening mouth How To Use: 1. Open your mouth as wide as you can 2. As the product is made of food grade silicone, the material is soft, so please use your fingertips to hold the handle in the flute to facilitate fixation. 3. Slowly place the facial exerciser from both sides of the mouth and fix between the upper and lower molars according to the degree of mouth opening tolerance, for 1 to 2 minutes each time, 10 times for 1 set, 3 sets per day. 4. After use, and return to the storage box to avoid loss and contamination. Package List: 1 x Facial ExerciserSilicone: Made of silicone, which is soft and skin friendly, friendly to the environment, do not need to worry about hurting the skin of face or mouth. Portable: This face exerciser is compact, portable and convenience to use. Whether in front of the mirror, in the bathroom, or at any other time. Keep exercising and you are sure to improve look. Face Lifting: Works on the jawline and has a lifting effect on the face, helps to enhance facial outline, tighten the skin, lift the jawline and prevent double chin. Function: Helps to increase the distance between the incisors, improves difficulty in opening the mouth, activates facial muscles, massages the muscles, increases blood circulating and oxygenates. Suitable: For symptoms such as restricted mouth opening and masticatory muscle atrophy after radiotherapy for head and neck tumours.Best Sellers Rank: See Top 100 in Health & Household. Country of Origin: China. : B0BP9ZZRHS. Manufacturer: Demeras. Package Dimensions: 4.72 x 3.15 x 1.57 inches; 4.06 Ounces.