Designed by outfitters and dog trainers, this kennel offers premium quality and die-hard durability. It’s made of heavy-duty, high-density polyethylene and crafted with one-piece molded construction, eliminating weak points and debris-collecting seams for top-end strength and easy-to-clean convenience. Stackable design features built-in metal inserts that let you secure stacked kennels and join kennels side-by-side (Coupler Kits sold separately). Five-year manufacturer’s warranty. External Dimensions: 31"L x 20"W x 23"H.