The outer layer of this beach umbrella storage bag is made of thickened 900D high-strength Oxford cloth, and the inner layer is paired with 210D Oxford cloth. The whole bag is thicker, more durable and has strong load-bearing capacity, with an SPF protection value of >70+. It can protect outdoor umbrellas from rain, UV rays, dust, scratches, bird droppings, spills and fallen leaves during transportation. The main bag of the storage bag measures 67 x 7 x 7 in. (170cm x 17cm x 17cm), and the matching zipper storage bag measures 8 x 6 x 4 in. (20cm x 15cm x 10cm). It fits most outdoor sun umbrellas, including offset umbrellas, cantilever umbrellas and table umbrellas. It is recommended to measure the length, width and height of the folded umbrella before purchasing. In terms of design, it is equipped with a sturdy shoulder strap with adjustable length for easy carrying. A fixing cloth is added on the back of the buckle seal to enhance load-bearing capacity. Double zippers ensure the safety of the umbrella and umbrella pole. There is an accessory pocket on the front for storing small items. When not in use, the storage bag can be put into the matching zipper bag for storage, and it can also be used to store hammocks, metal brackets and other items. Note that sharp decorations should not be installed on the umbrella to avoid damaging the storage bag. Color: Black. Material: Fabric.