REDUCE DOUBLE CHIN :- Reduce face fat with the chewing tool , Training facial muscles to get chiseled jawliner and skullpt face. The polyurethane bite strip allows a custom shape for your mouth, allowing you to easily adjust the shape and oral cavity. FOOD GRADE MATERIAL:- This jawline exerciser tool is designed to be resistant, comfortable for jaw exercise it is made of no-toxic, safe, BPA-Free food grade silicone. This double chin reducer for women consists of the same material as a baby pacifier, Doesn’t contain any chemical fillers or byproducts COMPACT SIZE:- Jaw trainer is small, convenient to carry with the additional neck string provided and a sports equipment that can be trained anytime and anywhere. Comfortable, easy to carry can be used when going out, use it in the gym, office or on the go. SAFETY WARNING :- Read all instructions carefully. The use of jaw exerciser for men may cause minor pain to the muscles of face during the exercise process. Please don't give it to children. Wash after every use.t. HOW TO USE: ✦ Wash/ Soak in warm or hot water before using. ✦ Remove side caps and position your teeth comfortably. ✦ Repeat the chewing training at least 30 to 40 repetitions.