Proline Lazer Spectra Fusion 12" Handle w/ 8 Section 75' MainlineClosed cell foam for 100% buoyancy, guaranteed. A lot of other brands claim their products are buoyantso what exactly makes Prolines floating technology superior? The answer is simple. All of our ropes and handles are infused with closed cell foam technology to keep our gear 100% buoyant at all times. In comparison, some of our competitors claim their ropes are neutrally buoyant, which means they neither float or sink, but over time they can dip below