3-Person Towable Tube. Few towable boat floats offer family fun like the Airhead Blast 3, a three-person towable tube. Blast 3 boasts a blue and yellow tropical pattern, 12 neoprene comfort handles, and a self-draining floor that keeps riders upright no matter how much splashing happens.. The rounded shape of the Airhead Blast 3 is reminiscent of a water park ride, offering all the fun of a thrilling ride (albeit without the crowds). More reasons to love Blast 3 include dual tow points and a Kwik-Connect feature, so there's no stress getting started or wrapping up for the day. As with all best-selling Airhead boat towables, you'll find a Patented Speed Safety Valve for quick inflation and deflation.. This tube features double-stitching and electronically-welded seams, ensuring the heavy-duty PVC bladder stays put for years to come. Blast 3 is a towable boat float that will exceed your expectations.. Features. Padded Handles: Foam-filled, nylon-wrapped handles ensure comfort while you h