BACKPACK MATERIAL: Backpack for girls made of high quality canvas with double sided smooth zippers and reinforced stitching for lasting durability. Durable and fashionable, classic and minimalist design really stands out from the crowd. Girls backpacks with lunch box 3 in 1 set: Large Capacity Bookbag: 13.8"x17.7"x6.7", Lunch Box: 11.8"x6.3"x6.3", Pencil Case: 7" L*4" H.