【3-in-1 Backpack + Lunch Box + Pencil Case】 - Backpack set including backpack + lunch box + pencil case, all mainly need 3 school supplies in one set. Dimensions of the student backpack for teenagers: 42x28x12cm (H * L * W). This bookbag set is perfect for elementary school children, middle school students. 【Waterproof Oxford material, durable, sturdy and tear-resistant】 - Made of high-quality 600D waterproof Oxford material, easy to clean and dry. Well-stitched seams and smooth zippers make the backpack durable and glide easily, does not fade. Multifunctional use for school, university, outdoors, sports, camping, cycling, hiking, travel, picnic, etc. 【Large capacity for 15.6-inch laptop school bags】 - The teenage backpack has a large main compartment that can hold up to a 15.6-inch laptop, A4-sized textbooks, iPads, notebooks, folders, school clothes, pencil cases and other school supplies, side pockets for water bottle and umbrella. 【Comfortable, breathable, adjustable and ergonomic design】 - The school backpack for teenagers is ergonomic and comfortable, the shoulder straps are adjustable and detachable. The length can be adjusted according to your height and body shape. Relieves stress on the neck and shoulders.