Caution: color: we ship according to the color of the first picture, in the package: If the quantity is not stated in the , we will ship the item according to the quantity and model in the title.If the title does not have a quantity, it is 1pcs. Jaw line exerciser facial muscle trainer silicone chew anti-wrinkle red the product is shipped based on the color or size of the main image of the product page. Colour:red made of food grade silicone material, non-toxin and healthy, to ensure your oral hygiene wide applications: suitable for most people, widely used for tongue muscles, lip muscles, teether and facial muscle training can improve your chin line, shape and tighten your face and neck, and your facial jaw will look younger and more beautiful say goodbye to double chins and loose facial muscles. Jaw exercise ball promotes face tone firming and chin lift, jawline shaping, and v line slim by eliminating fat deposits around jaws and neck exercise the range and flexibility of jaw movement, and increase the strength of biting and chewing convenient, hands free workout, keep with you, to use on the go, at the gym, at work, wherever please boil the ball to soften the bite strips then briefly bite down at first and takes no more than 10-15 minutes every day in the first week specification: material: silicone color: yellow white red total length: 21cm or 8.3 Inch jaw exerciser size: 3.2X 1.9 X1.5Cm or 1.3 X 0.7 X 0.6 Inch package includes: 1x jaw exerciser note: 1.Please allow 1-3 cm error due to manual measurement, thanks. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you 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.