Chin Lifting Jawline Exerciser Ball, Facial Jaw Muscle Toner Trainer. FEATURES: Safety Material: The Jaw Exerciser is Made of Food-grade BPA Free Silicone. Enhance Your Jawline: Not Only Does It Make Your Jawline Stronger, but It Also Makes It Look More Chiselled and Masculine. Enliven Tired Muscles: Relieve Jaw Tension, Enliven Tired Muscles. Over Time It Will Keep Sculpting and Shaping Facial Muscles. Look Younger and Have a Great Looking Jawline. Jaw Sculpting Tool: Reduce Cravings - Chewing Has Been Shown to Decrease Cravings, Leading to More Weight Loss. Easy to Carry & Storage: The Package Contains a Lanyard and Storage Box, Which You Can Use on the Go, at the Gym, at Work, Wherever. SPECIFICATIONS: Number of Pieces: One Unit JawLine Exerciser Ball: JawLine Exercise HOW TO USE: To Fit, First Practice Placing Jawline Exerciser and Get the Feel for How Wide You Should Open Your Mouth. Put Jawline Exerciser in Boiling Water for 20-24 Seconds. Remove Jawline Exerciser from Boiling Water, Shake off Excess Water, but Don't Wait Too Long to Let It Cool. Bite Down and Hold for 15 Seconds to Customize the Mouthpiece to the Contours of Your Own Mouth. Take out the Jaw Exerciser from Your Mouth, Clean It with Warm Water or Dishwasher, and Place It for Next Use . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.