Solvit HoundAbout Pet Bicycle Trailer RIDE IN COMFORT: Features a front door with waterproof layer and mesh screen layer, a rear door with mesh screen and a sunroof to give you and your pet options for all types of weather; includes a cushion for a comfortable ride DURABLE CONSTRUCTION: Constructed from 600d polyester with waterproof floorboard and aluminum frame; two 20 in. tires come pre-filled with air, 16 inch and 20 inch air-filled tires (medium vs large), Medium size suitable for pets up to 50 Pounds SECURE RIDE: Adjustable safety leash keeps pets secure while riding; reflectors on the cabin and on each wheel help keep you and your pet visible to others QUICK ASSEMBLY: Assembles quickly and folds down easily for storage; the cabin dimensions are 33 in. x 22 in. x 26 in. and the overall dimensions are 55 in. x 33 in. x 33 in. EASY-TO-CLEAN: The cloth cabin and windscreen can be cleaned with a damp cloth or sponge; the interior cushion is machine washable and can be dried at low heat SUPPORT FOR YOU: Call, chat or email with our expert US-based customer care specialists six days a week at 1-800-845-3274; they are waiting to assist you and your pet with your product needs EXPERIENCE: PetSafe brand has been an industry leading US manufacturer of pet behavior, containment and lifestyle products since 1991, helping millions of people and pets each year IMPORTANT INFORMATION: While strong and durable, the PetSafe Solvit HoundAbout II Aluminum Bicycle Trailer is designed for PET USE ONLY