Excellent for fishing, crabbing, docking, securing watercrafts, and a whole lot more! These PVC foam floats are ultra tough and durable enough to resist punctures, as well as repel the water it will be in. So you can float this bad boy with rope, on rafts, or anything you think might need some extra buoyancy.3" x 5" White Float Multi-purpose Float PVC foam Tough Durable Puncture resistant Does NOT absorb water Can be used for both Salt and Fresh water applications