Features:Environmental protection material silicone, no undesirable stimulation to skin.The technique is safe and credible, with no infection and pain in treating diseases.Easy to operate, can cup by yourself anytime and anywhere, easy to clean.Cupping can improve blood circulation, promote metabolism, improve immune ability.Help you to remove eye wrinkles. Can be used in any part of the body.Specifications:Material: Food-grade siliconeColor: PinkL Size: height 8cm, inner diameter 5cm, outside diameter 6.8cmM Size: height 5.5cm, inner diameter 3.6cm, outside diameter 5cmS Size: height 8cm, inner diameter 2cm, outside diameter 3.6cmXS Size: height 5cm, inner diameter 0.7cm, outside diameter 1.5cmTotal Weight: 144g / 5ozPackage size: 15 * 11 * 8cm / 5.9 * 4.3 * 3.1inPackage weight: 151.5g / 5.3ozPackage list:4 * Silicone Cupping Cup