This backpack window can improve your pet's travel experience. This backpack window is designed with a focus transparency, allowing your pet to enjoy the surrounding scenery while being safely enclosed. The spacious interior provides enough room for small pets to move around comfortably. Features -Color:Transparent -Material:Acrylic -Size:34.50X15.00X7.00cm/13.56X5.89X2.75in -The transparent backpack window can meet your pet using needs, they can see this world conveniently. -The interior of the backpack window is designed to be comfortable and spacious, providing pleasant use. -The ergonomic backpack window design ensures convenient travel experience, making it easy to transport. -This versatile backpack window is very practical and convenient choice for various purposes, very useful. -This backpack replace window is made of acrylic material, very sturdy and can be longtime used in daily. Package list: 4 x backpack window