REPLACEMENT SET: Dog 18x23 inches compatible for 20x25 inches Puppy Potty Trainer tray. You get 2 packs a set. It is convenient to wash one while the other is available for use RAPID FLOW DRAINAGE: This fake grass constructed with a highly-drainable backing material to maximize draining capacity, with drainage holes to help urine and clear water wee away quickly, and the porous grass avoids wet paws after the dog use- Avoid any mess for potty time LOW MAINTENANCE: Stop worrying about mowing and using special treatments to keep your dog is lawn alive and healthy. This artificial green lawn allows you to sit back and relax without having to work on it every week! It all about efficiency and taking the workload off your shoulders EASY TO CLEAN & NO SMELL: No assembly, settings are instant, fast and simple, and reusable. Easy to clean, wash with soap and warm water in under 10 minutes, and let it dry out. The washable pee pad for dogs is built into the backing and the yarn, which helps to minimize odors PERFECT FOR INDOOR OR OUTDOOR: Use indoor, porches, patios, balconies, backyard, apartment, pet carriage etc, portable and weatherproof, make you and your furry friend life more easier Size:46x58.5cm, Height:2.5cm Colour:Green Material:plastic Package Contents: 2 * Dog Grass 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.