PadLocker Refills are for use with the PadLocker Odorless Pail for Training Pads. This easy to replace refill can hold up to 54 pads. Simply tie a knot at the end of the refill and push inside the pail. When full, cut the bag using the internal cutter and remove. The multi-layer barrier bag with Air-Seal technology eliminates unpleasant dog and other small pet odors.