Description: Umbrella base weight is made of 600D oxford cloth, durable, wear-resistant, hand tote strap, convenient to carry and lift With zipper pouch cover, convenient to add sand, and adjustable side pocket buckle can hold firmly to your umbrella stand rod, never worry about your umbrella flying away again Simple to operate, just position the weight bag around your umbrella stand and fill with sand. At the end of the season simply unfill, fold, and store The round bag can be filled in about 50 pounds sand, safe enough to hold firmly the tent or umbrella, prevent it from falling down when there is big wind especially in summer days, keep you and your family and belongings safe, just sitting down under the sun shade enjoy your time in the beach, backyard, garden, etc. 4 Pieces per pack, for outdoor camping, picnic, BBQ, beach, garden, backyard, etc. Specification: Material: Oxford Cloth Size (Dia. x H): Approx. 26x17cm / 10.2x6.7 inch Color: Black Package Includes: 4 Pieces Umbrella Base Weight Note: Please allow slight size deviation