VERSATILE USE. Ideal for trail markers, crawfish floats, crab trap floats, winter buoys, buoys for boats, outrigger floats, buoys for ropes, anchor float buoys, floating marker buoys, lobster cage floats, buoys for lakes, tow rope buoys, ski rope floats, and more! HIGH VISIBILITY. Bright color ensures high visibility in deep water or up close which makes it easy to spot from any distance. MEASUREMENT. Measuring 6-inches x 3-inches with 3/8-Inch center hole, they are compact yet effective, providing the right balance of buoyancy and manageability. DENSITY. Made from robust materials, the closed-cell foam is designed to keep marine buoys lines and much more afloat for commercial and recreational boaters. It’s built to withstand harsh marine conditions! EASY INSTALLATION. Simple to attach and use, these floats can be quickly set up and are compatible with various watercraft and setups. Ideal for fishing, rope, hazard, and regulatory markers, and work great as a boat moorage buoy or trot line marker.