Anti-aging Wrinkle Free UPLIFT Face Mask Belt [Skin Friendly! Excellet Effect! Durability!] Only 30~40 minutes wearing to tighten up the face and neck, for lifting up and minimizing the face & neck line. Most Advanced Technology Material [ Neoprene ] commonly used for skin scuba divers for protecting skin, heating up and maintaining skin temperature with minimum skin irritation. Size : Adjustable belt fits for most [Free Size] / COLOR : GRAY / Condition : New (polybag/each) Material : Inside & Outside [Nylon+Neoprene+Nylon] / 3 Layered Structure