Feature:1. Easy Use: Lip trainer is simple to use, just putting it in your mouth and doing mouth exercises for 3 minutes a day.2. On Tap: Mouth exercise can be done anytime, anywhere, even when you're looking in the mirror or in the shower.3. Facial Slimming: Keep your face youthful by putting more strain on your facial muscles and slimming you face.4. Multifunction: Doing facial exercises daily with this silicone face lip trainer will build up to 12 facial muscles.5. Safe Material: Mouth muscle massager made of high quality silicone material, healthy and non toxic, which is safe to use.Specification:Item Type: Face Tightener ExerciserMaterial: SiliconeApplication Part: Apply to cheek, chin and other facial areas Recommended Use: 3 min/day, vowel practice. Application Occasion: Leisure timeSize: Approx. 7 x 7cm / 2.76 x 2.76in Function: Solves sagging facial skin and muscles, giving you the daily facial stretch you need to prevent skin aging. Package List:1 xFace Tightener Exerciser