Specification: Color: Black Material: HDPE Dimensions: 35" L × 35" W × 5" H Compatible Base Hole Spacing: 9" Net Weight: 15 lbs Package Includes: 1 × Fillable Cantilever Umbrella Base Key Features: 2-Piece Fillable Design: Includes two large fillable plates designed to fit over compatible cantilever umbrella crossbars and help provide added support and stability. High Weight Capacity: When filled with water and sand, the base can reach a combined weight of up to 274 lbs for compatible cantilever umbrella setups. Water and Sand Fill Options: Each plate features a wide top filling opening for convenient filling with water, sand, or a combination of both. Easy Drainage: Side drainage outlets allow convenient emptying when repositioning, cleaning, or preparing the base for storage. Tool-Free Installation: The plates are designed for simple installation and removal without requiring additional tools. Grooved Carry Handles: Integrated handles make the empty plates easier to lift, carry, and reposition around outdoor spaces. 9-Inch Hole Spacing: Built-in cross brackets are designed for compatible cantilever umbrella systems featuring 9" base hole spacing. Versatile Outdoor Use: Suitable for compatible cantilever umbrellas used on patios, decks, gardens, poolside areas, and other outdoor spaces. Important Compatibility Note: Cross base and umbrella are not included; verify umbrella base hole spacing before purchase. Note: Actual product color may slightly vary from the images shown due to lighting conditions during photography and individual monitor or device display settings.