Dog Wheelchair for Longer Legged Medium Dog (Size 4 L) By Huggiecart. Approximate Weight 33 to 65 Lbs Huggiiecart Dog Wheelchair for medium long legged dog (Size 4 L) weight 33-65 lbs. (Belly to ground measurement between 11" to 20") Adjustable in length, width, and height. We have more sizes available to fit your dog at Huggiecart Neoprene Chest Harness, Adjustable to fit. Rear legs stirrups included Light Weight Aluminum Frame, Premium flat proof wheel with bearings for smooth roll Find the right size for your dog then further adjust the dog wheelchair in length, width, and height for best fit.