Larger activity space, with a rear zipper design, making it easier for dogs to enter and exit. The external patch pocket design is more convenient for placing commonly used items. The YKK zipper ensures smoother use, enhancing the overall quality feel. The widened shoulder strap and waist guard design, along with the thickened back and tortoise shell shock absorption design, keep you comfortable even after prolonged carrying. The top see-through window allows you to observe your pet's condition at any time, making it an excellent temporary outdoor shelter for your pet.