Vet's Best Extra Large OXY ACTION Floor Protection Pads absorb liquid and odors to help you potty train your pet. These pads feature six-layers and a tear-resistant exterior to ensure that no leaks pass through these absorbent pads. The Pads also feature a unique technology that reveals the pH of your pet's urine to indicate warning signs that warrant further examination from a veterinarian. Vet's Best Extra Large OXY ACTION Floor Protection Pads measure 26 inches by 30 inches to cover a wide surface area, but smaller, square 22-inch pads are also available. This package comes with 50 of these large pads to ensure that you have plenty to train your pet and ensure that they're in good health. Order these USA-made pee pads for your pup today! Key Features: 6-layer pad for leakproof protection Reveals pH to indicate warning signs of potentially dangerous health conditions Pads measure 26" x 30"