Dog Grass Pad with Tray Indoor Outdoor Pet Training Grass with Tray Washable Pee Pads, 3 Layered System Dog Litter Box for Puppy Training (30 x 20 in)

SIZE DIRECTION: LARGE PLASTIC TRAY (30''×20'') for large dogs (30lbs to 50lbs) like French Bulldog, collie, beagle. For more size, please check the size chart picture to make sure which one is suitable for your choice. XL for 50-90lbs, L for 30-50lbs, M for 15-30lbs, S for 3-15lbs