PROVEN RESULTS--Studies have shown that new scars will disappear in 4-8 weeks and old scars will show results in 5-8 months, so please be patient. The age and severity of the scars will affect the results shown, but all scars will show positive results!. 1 ROLL LASTS 7 to 9 MONTHS: Scar strips measures 1.6 x 120 inches and is cut to fit the size of the scar. The length is as long as you want it to be. PAINLESS & SAFE SCAR REMOVAL: Soft material, peeling will not damage skin tissues and wounds. Our professional scar sheets is safe for your skin, and sensitive skin types are not afraid. They are odorless, harmless, non-toxic and comfortable. ELIMINATE ALL KINDS OF SCARS: Our scar sheets have been clinically proven to prevent and reduce scars, and can improve hypertrophic scars and keloid skin caused by surgery, caesarean section, injury, acne, burns, etc. MEDICAL GRADE SILICONE SCAR SHEETS: No surgery to scar removal.Medical silicone scar tape may soften the scar in just a few days and improve its appearance and texture in just 4-8 weeks.