Material: Durable and practical high-quality waterproof polyester, sturdy zippers and metal sliders and rope pullers ensure stable performance, smoother, non-breakable, and flexible opening and closing. Nylon lining, breathable mesh back panel.Size: 16.5"L x 5.5"W x 11.8"H (42*14*30cm).Large Capacity: Interior - main compartment contains 1 zipper pocket, anti-theft design for security, 1 laptop sleeve, 3 open pockets to store a cell phone or other items; External - 2 side pockets can hold a water bottle and an umbrella, 1 front zipper pocket to keeps the essentials easily accessible.Design: Modern style and functional design come together for a backpack that's as versatile as it is elegant. And the backpacks in colors and designs to reflect your style. The perfect look and feel for everyone's personality and needs.Perfect Gift: Multifunctional school bag, both practical and cute style, can be used as school bag, travel bag, weekend bag. Cute backpack, ideal for elementary school students and middle schools, picnics, camping, hiking, school outdoor activities and other occasions.