This Dogs Backpack is made of oxford cloth, wear-resistance, bite resistance. Adjustable drawstring for comfortable carrying. It helps ease pet anxiety. There are plenty of air holes and large mesh areas on the sides, so your pet can breathe freely. Adjustable padded straps help to reduce the burden. an extra waist strap with buckles keeps the backpack stable. Interior rope with a clip can connect to your pet's collar/harness to prevent your pet from jumping out or hurt itself. keeps them more secure. A drawstring opening neck hole on the top of the backpack to keep your pet stick their head out, make them ventilation and visible, enjoy the entertainment with their host. Great for taking your pets with you when going out, travel, walking, hiking.