This pet carrier is multifunctional 4-in-1 product. You can fix it on the car chair through the safety belt; put it in the bicycle basket; carry it on your back or just across one shoulder. It goes with three adjustable shoulder straps, one of them has shoulder pad. There are pockets around the bag, so you can put foods and bottled water in them. Don’t worry about bad smell, the bag is made of waterproof oxford cloth and nylon net and with eight holes on two sides for better air ventilation.