It is good for student to have a rachis protecting school backpack. QXH Q7931C# is definitely a nice choice. The big inner can satisfy most student book storing needs, with side and front pockets for daily items such as umbrella, water bottle and a pen bag. And the back features load- reducing and stress-balancing.

Features:
32 * 13 * 40cm large storing capacity, with 2 side pockets and 2 front pockets and 1 detachable pen bag.
Suitable for 1-3-4-6 grade 6-12 years old students.
Rebound sponge back balance stress and protect children's rachis.
Made of high quality cloth and fiber, dust-resistant and splash-proof.
Unique, exquisite and excellent in every detail.

Specifications:
Brand: QXH
Model: Q7931C#
Color: Blue /  Dark Blue / Red / Rose Red(Optional)
Material: Adopt for Oxford Cloth + Polyester Fibre
Item Size: 32 * 13 * 40cm / 12.6 * 5.1 * 15.7"
Item Weight: 755g / 26.6oz
Package Size: 33 * 20 * 13cm / 13 *  7.8 * 5.1"
Package Weight: 780g / 27.5oz

Package List:
1 * Backpack

Note:
Manual measurement method, there might be 1-3cm size difference.