Description: Pockets on both sides of the pet bag provide more storage space. you can store collapsible dog bowls, snacks, toys, garbage bags, etc. Both sides and top can be opened, multi-directional ventilation. This pet backpack is easily accommodated for cats, small dogs and most other small to medium sized pets. Features: [Mesh Design] Large area breathable mesh windows are more ventilated. Transparent and visible, you can observe the dynamics of the animal at any time. [Humanized Design] Adjustable chest strap and adjustable waist strap design can help reduce burden and increase comfort. [Comfortable cushion] The bottom is equipped with a dual-use cushion, which is universal for all seasons and can be removed and washed separately. [High Quality] Made of high quality polyester material, durable and wear resistant, easy to clean and easy to fold. [Safety Rope] There is a retractable hook safety rope inside to prevent pets from escaping. Features: Color: black; gray (optional)