Used The Iris square Floor protection tray will keep your floors safe while you’re potty training a New pet. Use this plastic pee pad tray with the IRIS classic pet training pad to create a clean and convenient training solution. The double latches are designed to lock the pad securely in place on the dog training pad holder and keep it from slipping or tearing. A high polish finish makes the training pad tray easy to clean, while non-skid rubber feet protect the floor from scratches and hold tray in place.