Description:Parts list:face fitness ball * 2Highlight description:1. Always with you: you can lead an education at any time2. Small size: can be placed in a pocket3. Many great benefits: well defined jawline, more overall focus, activating all of the facial muscles, creating a younger look, and much more4.Food grade silicone is a non-toxic type of silicone that does not contain any chemical fillers or by-products, making it safe for chewing on it. It is made of the same material as baby pacifiers.5. Strengthen and shape your jawlineDetailed description:Material: siliconeColor: black, grayQuantity: 2 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin