◆ SIZE: L60 × W40 × H40cm; Dog weight can be used within 20kg. ◆ MATERIAL: high quality sponge, no collapse, removable washable seat cover, moisture absorbing, non-sticky, multi-purpose, environmentally friendly, durable ◆THE PRODUCT:Our product is convenient for pets to climb the sofa or bed without damaging other items. ◆ SPONGE:Sponge is a heavy rubber sponge, do not worry about the stairs will be easy to deformation. ◆ NOTE: Size and weight is measured by hand may have errors!!