1.Effectly tightens up face & neck skin, burn excessive fat, lift your double chin, perfect facial contours, and prevent cheek sagging. Shaping the perfect V line chin, giving your visage a more youthful look. 2.Made of fabric, which is soft, breathable & highly stretchy. It's comfortable and safe to use. Non-invasive alternative face lift, physical therapy, no surgery, no pain, no side effect! 3.Easy to use,Once you put it on, just squeezing the pump ball to blow some air based on the pressure that you can bear. To release the air, just unscrewing the knob. 4.ONE size fit most people-- Adjustable Hook & Loop Fastener, good elasticity, iit can be adjustable from your own, fits for most people. 5.It will be a wonderful gift for the beauty of the women (but men also). Just wear for 30 - 40 minutes while reading a book, using a computer or cellphone. Insist on using 2-3 months to achieve desired effect.