Gridlock Training Pads are the first pad to use an Antibacterial Polymer to maximize absorption. This feature, on top of the super absorbency, makes a cleaner, safer training pad.. This Polymer also makes the Gridlock Pads the safest and cleanest pad available. We now offer our Gridlock Training Pads in a variety of different styles and sizes for yours and your pets every need. Classic Gridlock Pads – Our number one selling Training Pads and the best quality on the market. Gridlock Training Pads are a staple product for any astute pet owner. Great for puppies and dogs of all ages who may need a little help at home. Made with antibacterial grid channels for unbeatable absorbency and with a special scent that will attract your pet and help to pad train your pet. These Gridlock Training Pads are the special size of 23 Inches x 22.5 Inches which is perfect for all sizes and breeds of pets.