1. Material: oxford cloth 2. Fill the bag with sand, wrap it around any umbrella pole, and enjoy more calm in windy weather 3. Features side openings, allowing you to easily place the base on any patio umbrella stand (no need to carry/lift when full) 4. Larger opening, simple filling 5. Side reinforcement, extra sturdy, waterproof, sun-resistant, heat-resistant, also resists freezing temperatures and frost without cracking 6. Center diameter: 8 cm 7. Size: Round 45x18 cm; Square 45x15 cm; Split Square 45x15 cm, Single side 23 cm 8. Note: sand not included
