Breathable material: sandwich mesh fabric and oxford fabric, adjustable soft shoulder straps are good for reducing the burden. ? Adjustable Band: Adjustable padded straps help reduce the burden. Inner rope with clip can connect to pet's collar or harness to prevent your pet from jumping or getting hurt. Keep Your Pet Visible: A neck hole with drawstring on the top of the backpack to keep your pet out of the head, make it ventilated and visible, an adjustable string and a padded hole edge soft mesh to ensure comfort Padded and Wide Shoulder Strap: Design with enlarged adjustable shoulder pad to help reduce load and increase comfort. Two retractable buckles on the bottom to avoid the deviation of the shoulder strap and maintain the stability of the backpack. Fits: Small size: 30 * 34 * 16cm / 11.8 * 13.4 * 6.3inch, suitable for small dogs / cats up to 3.5kg; Size: Small & nbsp; | & nbsp; Color: Black Features: - Comfortable and secure space - Easy to wear, free your hands - and scratch resistant construction - Portable pet carrier for small animals - Focus on animal feelings Specification: Material: canvas, mesh fabric Color: Black Size: S: 30 * 34 * 16cm / 11.8 * 13.4 * 6.3inch Animal weight ;; = 3.5 kg S: 0.4 kg The package includes: 1 * pet backpack