Material: This backpack is made of durable polyester fiber to ensure that they are strong, wear resistant and do not tire after long use. Large space: The backpack has a main compartment to hold your supplies, providing you with a large space to store the first items. Features: Minimalist design, classic silhouette, our unisex bag fits anyone's unique style. Comfort and convenience: reliable and ultra-light, very suitable for daily use, backpack padded shoulder length can be adjusted, very comfortable. Date First Available January 19, 2020