This dry bag uses PS10 ultra-lightweight nylon fabric that is perfect for inner bags. The inside of the bag is PU coated, and the surface is made of smooth nylon fabric, so it is less friction and easy to put in and take out. Great for a variety of occasions, such as outdoor activities and bike packing, yoga, swimming, and the wide range of sizes and a wide variety of color variations make it easy to distinguish even when using multiple pieces. Height is measured when rolled up to 5 times. OR-K20207 H15xC44xD14cm/3L/JAN Code: 4013051047258, Black, 1.3 oz (38 g) / IP64/PVCfree PS10