LARGE SIZE AND QUANTITY: The tattoo pen machine covers size is 2.7 inch X 7.5 inch (70mm X 190mm). Suit for wireless tattoo machine pen, big size pen type machine. HIGH-QUALITY MATERIAL: Disposable cartridge tattoo machine covers made of high quality plastic. 200 pieces per box, both quality and quantity are worthwhile. The tattoo machine bags is a good helper for beginners and professional tattooists. EASY TO USE: The tattoo pen sleeves bags has a pre-punched hole, easy to use, just slide the grip or machine pen into the bag with the needle portion coming out of the pre-punched hole, keep your tattoo grip or machine pen clean. Transparent bags so you can easily identify the button of machine. PRACTICAL FUNCTION: The pen type covers bag can help protect your machine pens from dust and ink dirt, featuring effectively dustproof function, also can effectively reduce the noise of the machine when it is working. IDEAL TATTOO SUPPLIES: Includes 200pcs tattoo pen sleeves bags. High quality, practical, disposable, hygienic and helpful, keep your equipment clean，these pen machine covers are the ideal microblading and tattoo supplies. 200pcs Tattoo Machine Covers Clear 7.5x2.7 Inch Tattoo Pen Covers Large Machine Bags Sleeves for Tattoo Machine Accessories, Kits & Supplies