About Product:[Product Name] : 20L Outdoor light umbrella base umbrella Water Base [Material] : Plastic [size] : About 45cm*45cm*12cm, Aperture 2.5cm weight [color] : Blue [Characteristics] : Light, easy to carry, when using in summer, just hold a certain amount of water, it will be more stable. Winter weather is very cold and can be loaded with sand! It can be used with the 2-meter Oxford Blue and white umbrella! It can be inserted into the umbrella rod with the diameter of less than 2.5cm [weight]