Type:softback roll top backpack waterproof feature:Dry waterproof ,roll top,pvc Color:existing color offers by the factory moq:100-500pcs style:laptop backpack, hip pak, roll top backpack waterproof size:20L,25L,30L,35L service:ODM&OEM PACKING:1pc welded seams Usage:Outdoor Activities,waterproof ,tactical Product name:Custom logo & size waterproof backpack