A (chin to head circumference): 66cm-70cm/26-27.6inch B (the circumference from the eyebrows to the back): 59-64cm / 23.2-25.2inch Face-lifting belt: It can help lift and support your facial skin, making your face more beautiful and charming. Facial chin strap: It can also help support the head and prevent snoring, thereby creating a quiet environment during sleep. Facial chin lifting: made of high-quality materials, breathable, soft, durable, comfortable and skin-friendly Comfortable: The edge of the face-lift belt is well wrapped, so there is no need to worry about scratching the facial skin. Our face-lift belt helps men and women fit perfectly. Multiple benefits: Once you start using this chin strap, you will see obvious benefits. This face-lifting belt can prevent the face from sagging, remove the double chin, and create a perfect V-shaped chin. Product details Package Dimensions ‏ : ‎ 4.37 x 4.09 x 1.5 inches; 1.13 Ounces