GREAT QUALITY - The memory foam grip cover made of high quality sponge, Non-forced ergonomics allows hand to naturally conform to grip.1 pack includes 20pcs of memory foam tattoo grip covers. MULTI-FUNCTION - It can be wrapped around the handle grip of tattoo machine or tattoo pen. Help to prevent handle slip,cuts down on vibration. Works with any stainless steel or disposable 1" tattoo tube grip. SOFT & EXPANDS - The light weight is very comfortable in the hand gives you better control over what you are doing. Can expand to fit 1.5" grip with the help of vaseline or ointment. Softer & larger diameter grip cover. Clean and sanitary safety. REDUCE VIBRATION - Tattoo grip cover can protects the tattoo artist's wrist and reduce fatigue and pain during long hours of work. Effectively improves the coloring efficiency and Minimizes damaging vibrations.