KEEP INSIDE CLEAN--Effectively scratches off and traps dirt with ridges. Attached and detached easily. MULTI-FUNTION-- Effectively reduce pets' fear of RV stairs. Cover the hole on the stair slab to avoid pets being injured. DIMENSIONS-- Each rug measures 23.6inch long x 15.7inch wide/60cm x 40 cm, accommodating curved foot . Please measure your pedals width purchasing. MATERAIL-- Polyester, washable and easy to clean. finish and 't easily fray and worn out. FLEXIBLE SPRING --Offer added traction and prevent . Can be easily adjusted to three sizes with two sets of pairing grommets and springs. Colour: Gray Material: polyester fiber Package Contents: 3 x RV Step Rug 2 x Spring Hooks Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.