Color: As shown in the First image. Quantity and size : As shown in the title or description. Micro Needle Titanium Roller - Anti Hair Loss Treatment Features: A Common Cosmetic Procedure For Treating Many Conditions by Stimulating Collagen and Elastin Production Stimulate Collagen Production Improve the Elasticity of the Skin Smoothen Acne Scars Promote Skin Rejuvenation and Improve Alopecia Mildly Roll 10 Times Vertically and Horizontally Can Be Used on All Areas of the Face, Neck and Body and Scalp Can Be Used by Yourself Anytime at Your Personal Convenience Features: Needle Length: 0.2mm or 0.25mm or 0.3mm Material: Medical-grade Stainless Steel (needle) and Hard Plastic (handle) Different Needle Lengths Have Different Usages: Home Use: 0.2mm or 0.25mm or 0.3mm , Clinical Use: 0.5mm or 0.75mm ,Medical Use: 1.0mm ,Physician Use: 1.5mm or 2.0mm or 2.5mm or 3.0mm Cleaning Method 1 Soak About 5-8 Minutes with 75 percent Alcohol. 2 Using Ultraviolet to Disinfect For About 45 Minutes Come with a Transparent Protective Box For Holding the TinkSky Roller Attentions : Do Not For ce the Roller into the Skin but Simply Use Mild Pressure Roll Obliquely at the Same Intensity Covering the Same Areas in Both Directions (vertically and Horizontally) The Roller Cannot Be Overused As the Needles Will Remain Sharp For a Prolonged Time Not compatible with Use Onto the Following Skin Conditions: Active Acne, Eczema, Rosacea, Psoriasis, Severe Solar Keratosis and Raised Moles or Warts Keep out of Reach of Children