For cantilever parasols: Keeps your stylish garden umbrella standing straight and upright. Specific Outsunny designs with Φ58mm pole sizes. For parasol without rotation function.Four fillable parts: Each base-part holds up to 20kg sand weight - 80kg in total for heavy standing power. Removable lids to fill and empty easily.Plastic shell: Thick and durable for reliable repeated use. Smooth finish - easy to clean. Resistant to mild weather damage.Dimensions: 11H x 89L x 89Wcm. Single plate: 45L x 45Wcm.Assembly required. Cross base required but not included. Please measure your cross base in advance to ensure that our base can fit well. Suitable for Outsunny parasols: 84D-118GN, 84D-066BK, please consult us for product links if you need them.