Specification: Size: Width 13cm/5.12in*Height 44cm/17.32in *Thickness 30cm/11.81in Color: Black;Navy Blue;Red;Grey. Material: Oxford cloth Feature: 1. High-density Oxford cloth fabric with water resistance provides high quality, scratch and wear resistance. It can effectively resist rain and water splashes to protect items inside the bag. 2. Large capacity storage space with multi-layer organization for orderly placement. 3. Thickened honeycomb pressure relief shoulder straps are breathable to relieve shoulder fatigue and comfortable for back carrying. 4. Strong load-bearing capacity, durable and sturdy. Lightweight design convenient for commuting and walking freely. 5. External USB charging port allows charging on the go for greater convenience during travel. 6. Comfortable thickened hand straps for easy hand carrying with a comfortable grip. Sturdy two-way zipper with extended pull tab slides smoothly without jamming. 7. Shoulder straps with sturdy buckles adjustable in length according to height. Reinforced stitching at the bottom of the shoulder straps enhances the load-bearing capacity of the bag. Large capacity storage space with multi-layer organization for orderly placement. External USB charging port allows charging on the go for greater convenience during travel. PERFECT GIFT