Dog car seat extender for dogs size is 52" L * 25" W, fits for most cars, SUVs, and trucks. All straps of the car seat extender are securely fixed, ensuring easy installation without any concerns of loss. Additionally, there are 3 spacious storage bags provided, allowing convenient storage of dog essentials. The back seat protector for dog can be easily stored in your trunk, with dimensions of 26" * 17" * 3". , :