Easy Mobility Across Any Surface: Umbrella base with 4 wheels for easy transport across any surface without heavy lifting for cool shade anywhere Smooth-Rolling Wheel System: Features 4 smooth-rolling wheels with 2 locking mechanisms that secure in place and unlock quickly for convenient positioning Heavy Duty Weight Capacity: Supports umbrellas up to 125 lbs and fits 1-3/8-inch to 2-1/16-inch umbrella poles for secure and stable outdoor shade solutions Durable Construction Material: Made of durable, maintenance-free, high-density resin that withstands outdoor elements and provides long-lasting performance Universal Commercial Design: Heavy duty universal design suitable for weighted commercial patio, deck, and poolside applications with hidden wheels for clean appearance Safety Features and Wheel Protection: Patented wheel-enclosure design prevents direct contact with wheels while rolling and includes easy-to-use wheel locks to keep umbrellas securely in place Aesthetic Appeal with Multiple Color Options: Available in 5 decor-matching colors with softly rounded corners and non-marking wheels that complement any outdoor setting