Masseter Ball Mandibular Trainer Ball Jaw Line Trainer Ball Chewing Trainer Jaw Line Exerciser Ball

Label:Yes Product color: black, gray, white Product size: 3*1.5*1.5cm Product material: silicone Product weight: 4.5g Packing list:1pc Jaw trainer [High quality material] The exerciser is made of free food grade silicone. Non-toxic silica gel does not contain any chemical fillers or by-products, so you can chew with confidence. It is made of the same material as the baby pacifier.