Anti-Ageing. Skin Rejuvenation. Tighter Skin. Ideal for Helping to Treat Stretch Marks. Hair Growth. 10 Sizes - see drop down. Great for Scars. Firmer Skin. 200 Roller System. 16cm x 3.5cm x 5.5cm. Features: Biogenesis Dns Microneedle Derma Roller | Living Social | Living Social