Product informationBackpack size: 20cm (L) * 22cm (W) * 43cm (H); Weight: 0.44kgBackpack material: polyester material, strong and durable, not easy to deform, corrosion resistant, quick drying and other advantagesComfort: widen and thicken the durable adjustable shoulder strap to reduce the weight of the shoulderLarge capacity: large capacity design, most daily necessities can be put in to meet your needs You'll like it features:1. Material: polyester material, strong and durable, not easy to deform, corrosion resistant, quick drying and other advantages2. Comfort: load bearing, multi-functional, physiological curve back plate, backpack decompression handle design reduces the weight of shoulders and hands.3. Structure: the spacious main pocket neatly puts daily necessities in the bag.4. Purpose: it can be used for outdoor running, cycling, etc.Note: the data are measured manually and may have errors. Please refer to the real object for the specific size.