4 Piece Washable : : These reusable pads are made of a special fast-absorbing material that quickly absorbs liquids and prevents from leaking. The non- mat on the back side ensures that the pad stays in place, even when your pet is moving around.60 x 45 cm/ 24 x 18 inches Fast Absorption: : These pads are designed to quickly liquids and prevent from leaking. Non Backing: : The non- mat on the back side ensures that the pad stays in place, even when your pet is moving around. Waterproof: : The waterproof design ensures that any spilled liquids will not through or cause damage to anything . Reusable: : The pads are easy to clean and can be reused many , making a great long-term investment. the pee pad can be widely applied, you can use it as a whelping pad, potty pad, training pad, or both indoors and outdoors, which can bring much more to you Color: Dark Gray Material: flannel Package Contents: 4 x pet pee pad Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.