Superior Firmness: Build-in second generation updated with carbon support poles, make the car booster seat NO COLLAPSE NO DEFORMATION due to pet activity. It is surrounded by a PE Clapboard and the bag edge fill up with thick foam bar, which ensured sufficient sturdiness and safety. Designed for Safe Driving: Equiped with two safety belts stabilize the booster seat and a harness leash to fasten to your dog, you will be able to drive easily without worrying about the safety of your puppy. Convenient: Pops up in seconds with easy assembly and folds for easy space-saving storage. Portable and not take up space, waterfproof material also make clean easily. All these designs are only for your convenience. Excellent Quality: Made of durable PVC Oxford fabric and water-resistant materials, keeping your pets dry and comfortable, while also making pet car seats durable, non-slip, sturdy and waterproof to prevent damage to your car seat. Product Dimensions: 15.7 L x 13.7 W x 9.8 H inch, Suitable for small dogs cats puppies and many other house pets weighing less than 25 lb.