Salzmann Diamond Grade Sticker Made with 3M Scotchlite, Waterproof, All-Weather, Outdoor Safety Reflective Sticker for Cars, Motorcycles & Other Safety Needs - 4pcs Red 3x15cm, 4pcs, made with 3M Scotchlite Diamond Grade Reflective Material We guarantee high reflective performance for up to 5 years, even under harsh weather conditions. Our reflective sticker is made with very hard and stiff material. It is only suitable for flat surfaces. If youd like to apply the sticker on a curved surface, you can cut it into smaller pieces with scissors and place them as desired. The sticker is waterproof and stays adhesive even after a car wash. The sticker is durable and highly adhesive. It is suitable for various outdoor needs.