Durable Oxford Cloth Construction: Crafted from robust Oxford cloth, this umbrella base weight bag boasts exceptional tear resistance and durability, ensuring long-lasting stability for your patio umbrella. Reinforced sides enhance sturdiness, providing reliable support in various weather conditions. Convenient Side Opening Design: Featuring an ergonomic side opening design, this weight bag allows effortless placement on any patio umbrella stand without the need for lifting or carrying once filled. The larger opening facilitates easy loading of sand, preventing spillage and ensuring a tidy setup for your outdoor space. Windproof Stability Solution: Say goodbye to umbrella mishaps on windy days with this weight bag. Simply fill it with sand and wrap it around any umbrella rod (up to 88 pounds) to fix your umbrella securely, preventing tipping or toppling over in gusty conditions. All-Weather Performance: Designed for year-round use, this weight bag is equipped to withstand diverse weather elements. Its waterproof, sun-proof, and heat-resistant properties ensure resilience against freezing temperatures and frost, making it an ideal choice for outdoor settings throughout the seasons. Versatile Outdoor Application: Ideal for a range of outdoor settings, this umbrella base weight bag is suitable for family gatherings, garden parties, resort lounging, poolside relaxation, corporate seating areas, and various residential and commercial environments. Item Name: Umbrella Base Weight Material: Oxford Cloth Style: American Features: Waterproof, Heavy Duty, Fillable Size Details: Round, L: 45cm/17.72", W: 45cm/17.72", H: 18cm/7.09" (Approx.) Square, L: 45cm/17.72", W: 45cm/17.72", H: 15cm/5.91" (Approx.) Rectangular, L: 45cm/17.72", W: 23cm/9.06", H: 15cm/5.91" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Black Round,Black Square: 1 x Umbrella Base Weight or Black Rectangular: 1 Pair of Umbrella Base Weights