Product Features Size Packages: The size is 2'' X 7'' (5*18cm), the tattoo machine pen covers sleeves is sold by 300pcs(3 boxes). Disposable use only. It is suited for filter tattoo pens or any standard machine pen type and tattoo grips. High-grade material: Made by high-grade plastic material (Polyethylene) that keeps soft but not easy tear. Great quality, Practical, Hygienic, and Helpful. Disposable cartridge tattoo machine bags is a good helper for tattoo activity. Practical function: The tattoo cartridge machine covers are excellent for extra protection in keeping tattoo grips clean and germ-free. Prevent the allergy and inflammation or other bad consequences that are caused by the tattoo ink. Special design: Each tattoo pen bag has a pre-punched hole, just slide your grip or pen into the sleeve with the needle portion coming out of the pre-punched hole. Be clean: Using the tattoo machine clip cord will keep the tattoo pen away from the ink and other contaminants. Convenience using and give a clean experience. Product Specification Material high-grade plastic (polyethylene) Size 2" X 7" (5*18cm) color blue Quantity 300PCS