REST ANYTIME - When using derYEP pet scooter, the pets can take a rest anytime they want, instead of hang up their ramp and rear legs by the straps of wheelchair all the time. | COMFORTABLE DESIGN - Soft and silky fabric reduce friction when the pets using our scooter, breathable mesh ventilation help heat dissipation, and soft mat reduce the shock when fast running | FLEXIBLE AND SILENT - With 4 universal silent wheels, the pets can run and change direction and stop easily. Smooth edge maple board reduces potential collision damage risks. | SIX DIFFERENT SIZE - from XXS to L, various lengths and widths, adjustable neck webbing and nape webbing, you can always find a drag bag perfectly fit you pet | EASY TO USE AND MAINTAIN - It takes less than 1 minute to install and use. The bag can be hand wash or machine wash in a laundry bag. Diapers are recommended.