Petbobi Pet Reinforce Car Booster Seat for Dog Portable and Breathable car Booster seat with Seat Belt Dog Carrier Safety car seat for Travel, with Clip on Leash with PVC Tube (Cationic Fabric Grey)Upgrade Reinforced Version: Petbobi paw print dog car seat's back,bottom and front with thicker Pe Clapboard than before,and the bag edge fill up with thick foam bar. Seat back add a strap to make seat cant move ( Safer ). and other two sturdy Pvc tube (more stable) increase the edge of the support force. These make our Pet car seat more sturdy and safe Prevents Distracted Driving: With two safety belts fix the booster seat to prevent it sliding in