Size: 31 (length) * 14 (width) * 45 (height) cm (approximately); the backpack can be changed in different styles. It can be used as school bag, cosmetic bag, leisure backpack, travel backpack.Material: high-density canvas fabric, lined with polyester, durable, waterproof and abrasion resistant, effectively preventing scratches and tearsComfortable: adjustable S-shaped adjustable padded shoulder strap; breathable air cushion backrest; extra-thick padded decompression handleLarge capacity: scientific and reasonable pocket and compartment design, so that your daily necessities can be put in the bag in an orderly mannerThis backpack has adjustable shoulder straps for comfort. You can go to school, go to college, go shopping, ride a bike, travel, date, etc. It is the best choice for gift-giving!product description:1. Large capacity to meet your needs, unisex unisex style.2. The pure color retro design backpack is very popular with people, and it is more fashionable and special to carry.3. It is practical and suitable for various occasions. It is a perfect gift for family, friends, lover and yourself to express your concern.4. The casual backpack makes your overall collocation more unique, keeps up with the trend, and serves as a good helper for your daily life gifts.5. The backpack can change different styles. It can be used as school bag, cosmetic bag, leisure backpack, travel backpack.6. With/without USN interface optional.Product parameters:Closure type: zipperCapacity: 20 liters or lessMain material: canvasLining: PolyesterSize: 31 (length) * 14 (width) * 45 (height) cm (approximately)The package includes:1 backpacknotes:1. All dimensions are manually measured, please allow an error of 2-3 cm.2. There may be a slight color difference due to the monitor, camera or other factors, please refer to the actual product.