This item is made of quality black carbon fiber material, Decorative sill protectors cover existing scratches and prevent your door panels from abrasion and scratching the original car paint Easy Application: DIY Apply Simple peel-and-stick installation process requires no specialized tools or skills. PACKAGE INCLUDES - 2Pcs Front Car Door Sill Sticker ( 1 Pair ) 2Pcs Rear Car Door Sill Sticker ( 1 Pair ). with adhesive back.(Please clean the correlated positions before installation,make sure NO grease/dust/water.And press hard for 60 seconds.)Tips:Avoid water in 24 hours,in case car door guards fall off. Elevated Aesthetics: Adds a stylish touch to your car's welcome area while ensuring durability.