p>What Will Glass Facial Cups Do for You  Tone and lift your facial muscles Speed up the regeneration of the tissues Increase poor blood circulation Reduce wrinkles and fine lines Reduce bags you may have under eyes Stimulate the production of natural collagen Slow down the aging process by improving blood flow   Why use glass?  These clear cups have great visibility and strong suction. We specifically chose the clear cups to market as they are our favorite due to the great visibility. You can see the color of the tissue through the cup to assist you with your determination of the amount of stagnation in the tissues.   Two ways to use it Dynamic – Squeeze the cup, place it on the skin, and release to create suction, slide the cup following the massage lines. Static – Squeeze the cup, place on the skin and release, leave for 1-2 seconds, and remove the cup. Repeat while constantly moving towards the end of the massage line. Avoid leaving cups in the same spot as permanent bruising may occur. Package Includes: 2 Pieces Cupping Cups High-Quality silicone and glass material. Classical and removable silicone blue tops.Easy to use and clean, with strong suction, portable adsorption.