PERFECT JAWLINE SHAPE: Say goodbye to double chin and slack facial muscles. By removing the fat deposit around the chin and neck, the jaw exerciser promotes facial firmness and chin lift, and creates a perfect chin contour. REPAIR FLABBY SKIN: If you have facial skin laxity after weight loss or childbirth, please choose our jaw exerciser for men and women. It can improve the blood circulation of face and neck muscles by training 55 facial muscles, reshape your face shape and make your skin firmer and stronger. HELPS REDUCE THE RISK OF INJURY POTENTIAL JAWS: The jaw joints are under constant pressure from speaking, chewing and other strenuous movements. Our jaw exerciser helps release tension and prevents potential and serious damage to the jaw by strengthening the muscles to protect the jaw from common injuries FOOD-GRADE: The jaw exerciser is made from food-grade materials with no fillers or chemical by-products, so they are very safe to chew. It is made of the same material as a baby pacifier. It is elastic and not easy to deform. You can rest assured to exercise. MAIN USE: Slimming, toning, sculpting and strengthening.You can exercise your facial muscles while driving, watching movies, cooking, cleaning, exercising and walking the dog. Act to create the most attractive facial muscles.Features: Name: jaw trainer Material: silica gel Unit weight: 25g Weight: gross weight 64g, net weight 52g Storage box size: 5.5*5.5*5cm Box size: product: 3.8*3.5*3cm