Come with English user instruction that helps you use it at home. Anti-slip derma roller handle for easier operation on skin. Sealed package. Derma roller has large working area on skin of body and face, more effective. Arcuated shape working head design, fits better to the skin. The micro needling roller perfect for both men and women. You can apply the micro needing roller to all your target areas, such as face body scalp and beard etc. Use the needle roller with hair regrowth Oil/ Balm/ Serum, will get a better result. The professional microneedling roller has titanium golden needles. Titanium needles are durable, the needle won't bend or rust. Titanium microneedle dermaroller is skin-friendly. Has a professional storage box. The 192 derma roller has double layers protection package for a better storage and safe use. You can take the microneedle roller anywhere without worrying about the damage.