• Perfect jawline shape: eliminates fat deposition around the chin and neck. • High-quality materials: food-grade silicone, non-toxic and safe. • Repairs sagging skin: improves blood flow and reshapes your face. • Easy to carry: hands-free training, discreet. • Reduces cravings: aids in weight loss and chin lifting. • Specifications: Material: silicone. Color: black. • Instructions for use: Wash the ball in hot water before use. • Bite with your back teeth and chew for 10-15 minutes a day. • Note: Do not bite with maximum resistance. Avoid chewing in a circular motion. • Package includes: 2 fitness chewing balls.