QUALITY MATERIALS: made of 600D Oxford waterproof and sturdy fabric and PVC black mesh fabric

DOUBLE STORAGE: two trapezoidal storage bags with zipper on each side

EXCELLENT VENTILATION: vents on all three sides

SAFETY AND OPTIMAL SPACE : interior safety strap , spacious compartment
TROLLEY BACKPACK 2 IN 1: removable plastic support at the bottom to transform it into a backpack according to your needs