Tatmax International 20PCS Tattoo Foam Covers Grip Covers Tattoo Pen Fits/Expands to 1 Inch-1.5 InchBrand: Tatmax International Features: GREAT QUALITY The memory foam grip cover made of high quality sponge MULTI FUNCTION Help to prevent handle slip,cuts down on vibration It can be wrapped around the handle grip of tattoo machine or tattoo pen. SOFT & EXPAND Lightweight and comfortable. Cover grip can expand up to 1. 5" REDUCE VIBRATION Tattoo grip cover can protects the tattoo artist's wrist and reduce fatigue and pain during long hours of work