This Outsunny fillable umbrella base is designed to securely hold your half parasol. You can fill it with 18kg of water or 21kg of sand to ensure it stays weighted down. The base features an engraved top pattern for a decorative touch to your outdoor space. Its metal pole, equipped with tightening screws, holds your umbrella firmly and evenly, providing much-needed shade. Constructed from tough plastic, it is suitable for outdoor use in various weather conditions. The base is designed for half parasol umbrellas and fits both 3.8 cm and 4.8 cm diameter umbrella poles, offering a space-saving design that can be leaned against a wall. The fillable design allows for easy filling and cleaning, with a capacity for 18kg of water or 21kg of sand. The HDPE shell is rugged, durable, and easy to wipe clean, featuring a decorative pattern for added character. The strong steel pole with tightening knobs ensures the parasol umbrella remains in place. Dimensions are 18H x 50L x 31W cm. Assembly is required.