Silica Gel Material Jaw Line Exerciser Ball Fitness Equipment Chewing Trainer Face Chin Cheek

Label:Yes Product Item: Mandibular Trainer Ball Product size: 3*1.6*1.6cm(1.18*0.63*0.63in) Product material: silicone Product color: black, gray, white 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.