NOTE: PLEASE REMOVE BACKING FILM COVER before installing PREVENT FROM SLIPPING-- The bottom of stair treads use anti-slip material which can firmly adhere to the stairs when applying them. From this, stair treads offer great traction to protect family and pets from slipping on the stairs well. NO DAMAGE TO STAIRS-- Benefit from the pre-applied adhesive bottom which is NO glued or permanent adhesive, after removing the treads, there leaves NO RESIDUE & NO DAMAGE to the stairs. Also, these carpet stair treads can be used multiple times, you can remove and place them again. NO NEED TAPE/GLUE, EASY TO INSTALL-- You just need 5 minutes to install Clean the floor, remove backing film cover of the treads, put them on floors and PRESS to make them firmly applied. Needn’t use double-sided tape, glue or others. EASY TO CLEAN & PERFECT SIZE-- Recommend to use vacuum to clean the treads to make them keep long-lasting use. Also they are machine washable. The size of  stair mat is 8x30 inches, and you can DIY to any sizes and shapes as your needs. REMARKABLE QUALITY & CLASSIC DESIGN-- stair treads made of high-density wool blends, won't shed even when scratched by pets’ paws. The classic pattern design looking is suitable for various styles of home decoration, modern, farmhouse, rustic style or others.