BAG SIZE:40*30*11CMHIGH-QUALITY LIGHTWEIGHT FOLDABLE BACKPACKOur lightweight travel backpack packable are waterproof polyester materials for water resistance and tear resistance,and the water resistance performance is good (note:completely waterproof).We use double-layered wear-resistant new processes to strengthen the suture of the waterproof polyester packable backpackFOLDABLE BACKPACKOur ZOMAKE water resistant packable backpack provides high-quality services to 1,000,000 people in the world with high-end quality,and has received praise from many people.We believe that our light foldable backpack will be the perfect partner in your life.You can accompany you on foot,vacation,shopping,cycling,and exercise