materials these vacuum suction cupping cups make from silicone and glass materials removable silicone tops and thickened glass design, which are anti sensitiv,is full of durability and easy to use Multifunctional,the glass face cupping cup is practical for daily life, widely applied for home use and other use, to exercise and relax your muscles, and effectively improve blood circulations and revives poor muscle Wonderful sweet warm friend family and yourself Widely applications,the silicone cupping cup is suitable for back, thighs,arms,legs and more,can be applied on most type of skin and give you a good care, lift and tighten your skin, reduce lines and wrinkles,puffiness,improve of your sleep by reducing tension and stress Quantity,you will get 10 pieces glass cupping cups in individual package,unlike traditional cupping sets,it uses a vacuum cupping set that make from glass to provide good suction and control