Features Our dog board is made of non-slip rubber surface with wavy traction grips, and the bottom of the dog platform is designed with non-slip rubber feet The surface of the place boards for dog training is designed with drainage holes, which will not leave stagnant water in the rainy days Our dog stacking training box is made of thickened plastic material with reinforced mesh design Specifications: Material:Plastic Dimensions:17 x 13 x 3.14 inches Color: Black and gray Package Contents: 1 Pack Dog Training Place Board