Simple Large-capacity Sturdy And Wear-resistant BackpackOverview: Printing Instructions: Full width single sided printing Material description: 600D plain weave Oxford cloth (polyester) Product performance: Made of high density pu plain weave, durable and wear resistant, the whole bag is fashionable and lightweight, the adjustable shoulder straps can be adjusted to your comfortable length at will, the widened shoulder strap design can relieve back pressure and protect the shoulders, large capacity design ,