the "flex" series is compact and handy and can be used in all situations. the main material of the bag is a lightweight and strong nylon ripstop fabric, also known as parachute fabric. by weaving thick nylon threads in a grid pattern, it has a tear-resistant effect that prevents rips from spreading even if a hole is made and is a fabric used for military ponchos and outdoor clothing. main compartment with zip inner pocket with zip adjustable straps extra durable and lightweight embroidered porter patch weight: 225g 42 x 44cm made in japan material: 100% nylon   856-07502-10 porter-yoshida & co. flex 2 way tote bag (black)