Paw Brothers® Professional Modular Cage Systems include everything you need (pans, grates and cage connectors) to build a kennel area unique to your space and needs. Specially engineered and designed for safety, strength, durability and longevity. Add mobility and versatility with a frame and large cage dividers. Cages are made of heavy-duty 20 gauge zinc plated steel with electrostatically powder coated exterior and interior. Off-white color matches any décor and does not show dirt. Removable doors, dividers, floor grates and pans allow for easy cleaning. Some assembly is required.