The Sheffield(R) Crystal Clear Floats are made of clear plastic with Fluorescent Chartreuse high visibility tops. The clear plastic material makes them practically invisible in water. Also made with secure silicone tubing so your line will stay in place. FEATURES: Fluorescent Chartreuse high visibility top Clear bottom for stealth Silicone tubing included 2 pack Model: SF11.0-CHRT, SF3.5-CHRT, SF4.0-CHRT, SF9.0-CHRT