The Mederma Silicone Scar Sheet is a medical-grade product designed for stretch marks. Each set includes 4 small 1.4 x 3" scar sheets that are reusable. The active ingredients, polyamide and elastane, provide sun protection with an SPF of 50. This daily use product is formulated as a sheet and is designed to improve the appearance of new and old scars in 4 weeks. Ideal for use on various body areas such as the chest, neck, face, full body, arms, and legs. Made in Belgium, this product from the Mederma Medical Grade Silicone Scar Sheet line is a reliable option for scar and stretch mark reduction.