Breathable Travel Crate — 3 sides equipped with mesh window, which ensure ventilation and visibility. The front and top part was designed as zipper doors, which makes the car seat a travel crate and is convenient for pets to walk or jump in and out. The washable and reusable pet pee pad on the bottom, keep the seat clean and fresh all the time.Upgrade Metal Frame u0026 Steady Structure — pet safety car seat has been fully upgraded to keep sturdier structure, based on users’ feedback. Besides the metal support frame, which made by stainless steel bars, we also upgraded the bottom clips and hooks to ensure the pet seats in shape at any time without worrying collapse.Secure Fixed u0026 Safe for Pets — The adjustable installation strap help to fit the pet booster seat better on car seat for most cars, caravans u0026 SUVs. The non-slip rubber spots equipped on the bottom can effectively avoid sliding around. Inside the dog car seat, there is a seat belt tether designed to hook to