Bully Gym Stack Boxes are durable and top-quality equipment designed for show dogs. These stack boxes serve two main purposes: stacking, which involves arranging the dog’s legs and body in an appealing way, and obedience training. we have a small breed option well suited for Pocket or Micro Bullies, French Bulldogs, English Bulldogs, small Terriers, Schnauzers, and Toy Poodles etc. We also have a large breed option for dogs with a stretch of up to 36 inches. The stack boxes come in six color options: Colonial Maple, Cabernet, Natural wood stain, Toasted Amber, Toasted Sapphire, and Toasted Amethyst, all of which are sealed with Polyurethane .