Adjustable Shoulder Strap Water Pistol Backpack Summer Toy Water Gun Boy Girl Pressure Backpack Water Guns Baby BathAdjustable Shoulder Strap Water Pistol Backpack Summer Toy Water Gun Boy Girl Pressure Backpack Water Guns Baby Bath ToysCharming appearance: your kid or girlfriend will like itDurable water tank and backpack water tank: We have improved the material of the backpack water tank to accompany your children all summer.It is very suitable for children's water warfare and outdoor entertainment.Adjustable backpack strap: adjustable shoulder strap to fit all sizes, usually children and adults can use backpacks.