The MB-R-B1800MB is an 18″ diameter white spherical mooring buoy designed for dependable marine mooring applications. Constructed with a tough LLDPE/HDPE shell and completely urethane foam-filled, it provides excellent buoyancy and durability in harsh water environments. Galvanized steel 5/16″ top eyebolt with 3″ hoop allows secure attachment, while a bottom swivel ensures the mooring line remains free of torsion. The 1″ blue reflective band enhances visibility in low light or high-traffic areas. Features: 18″ diameter spherical design for stable mooring use 5/16″ heavy-duty eyebolt with 3″ hoop on top (Galvanized steel) 1″ blue reflective band for improved visibility Bottom swivel eye included to prevent line twisting White polyethylene shell, foam-filled for buoyancy and durability Ideal for mooring systems rather than boat attachment