Check the listing for details. 18" Round Weight Sand Bag for Outdoor Umbrella Garden Base Holder bag USAA NEW##. Color: Black, Condition: New. Listed at 15.49 USD. Description:1.STABILITY - The round umbrella base weights will make sure that your patio umbrella is stable and safe from winds, storms etc. These provide the extra weight needed to keep your outdoor umbrella in place at all times2.QUICK & EASY - Fill the bag up with sand through the entrance hole , then secure the hole with the velcro flap3.SIDE OPENING - Features a side opening so you can easily position the weight bag around the pole. The side strap with buckle closure helps you further anchor your weight bag on the round umbrella base. * Size:Diameter:46cm/18.11", Height: 15cm/5.9",diameter of middle hole: 8cm/3.15". Package include：1PC BAG * Note:1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.Thank you! On Jul 28, 2022 at 23:19:12 PDT, seller added the following information: