Material: Fleece-Grey Color: Grey Product Dimensions: 28.3D x 15.7W x 19.7H Maximum Weight Recommendation: 16 Kilograms Comfortable Pet Stairs - This pet stair is designed to be placed directly against the edge of a bed, sofa, or other furniture, allowing your pet to climb up and down comfortably. Specific and Steady Design - With 33D density foam, this stair provides more stability when your pets walk on it. The pet stairs offer strong support for pets during the walking process. The low angle slope design helps to better protect your pet's joints. Multiple Step Sizes - This pet stair is available in 2, 3, 4, and 5 steps. The 2-step stairs are suitable for chairs/sofas/beds up to 13 inches high. The 3-step stairs are suitable for chairs/sofas/beds up to 17 inches high. The 4-step stairs are suitable for chairs/sofas/beds up to 21 inches high. And the 5-step stairs are suitable for chairs/sofas/beds up to 24 inches high. Easy to Clean - The pet stair features a removable, washable cover made of bonded fleece that can be hand washed or machine washed, making it very convenient for cleaning. Care Instruction - After removing the foam from the compression bag, allow 24-48 hours for the foam to fully expand before use. No need to set the cover. Please note that the inner foam is not washable.