MARK RYDEN New Style 1-3-6 Grades Students Ease Spine Burden Hollow Cushioning Back Pad Backpack

Features:
Dual arc straps, release shoulder pressure.
Superior oxford cloth, high density waterproof material.
The bottom have two pads, keep bottom away from ground, anti-rust and wear prevention.
Inner large capacity multiple layer design, meets students daily needs.
Hollowed spine-protected pressure relief cushion, breathable, heat dissipation, soft and comfortable.
Detachable emergency raincoat design, adjustable straps to fit different children stature.
Dual head zipper design, smooth to open and close.
Adjustable chest buckle, isostatic decomposition pressure, prevent high and low shoulders.
Safe reflective strip design, multiple angle reflect light, improve night travel safety.