Two different options: no double-sided adhesive blanket Double sided adhesive blanket If the stair surface is smooth, no glue is recommended. If the stair surface is uneven, choose the one with glue. There will be no trace on the stairs after our double-sided tape is pasted Two different sizes: 65 x 24 x 3cm 75x24x3cm Imitation sisal. SELF-ADHESIVE andamp NO DAMAGE TO THE STEP - It will not glue or double sided tape, but sticks well even reposition it many times, no damage to the floor. Perfect for hardwood, ceramic tie, marble. INSTALL IN 5MIN andamp EASY TO CUT - Installation is as simply as peel and stick, remove plastic cover and put treads on the floor, dont need double-sided tape or glue. UPGRADED MATERIAL - We upgrade the material, it features comfy, anti-deformation and durable, perfect for high traffic stairs and pets, help you move with confidence and long-lasting style. EASY TO CLEAN - easy to vacuum, and machine washable. Dog hair, dust or food residue all can be cleaned easily. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.