Durable Material: This umbrella base stand is made of durable plastic. Outdoor umbrella base is practical, waterproof, sunscreen, heat resistant. Water/Sand Filling: Water or Sand is required to fill the umbrella base. The base has a hole into which water can be poured to add weight, keeping the base stable. Universal: The weight of the umbrella seat is 1kg, which is suitable for the umbrella pole of 22mm-32mm diameter and the handle of the umbrella. Easy to carry: The umbrella base has a convenient handle design for easy access to the base, lets you easily lift patio umbrella base and take it anywhere. Occasion: Suitable for patio, garden, outdoors, hotel, terrace, balcony, coffee shop, beauty salon, outdoor leisure area, company leisure area, etc. Specification: Material: Plastic Size Chart: 42x42x17cm/16.54x16.54x6.69inch Package Includes: 1 Piece Umbrella Stand Base Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping