(Bramton) Simple Solution Lockable Puppy Training Pad Holder helps prevent tearing or shredding of pads and provides a secure anchor to keep pads in place. Unfold pad holder and slide both side clamps into locked position. Unlock all four corner clamps. Place the training pad on holder, tissue side up. Tuck the corner of the pad into the corner clamp and close to secure. Holds pads 21" x 21" or larger.