RAVE Sports Mass Frantic 4 person towable tube. The large up to 4 person Mass Frantic can hold up to 4 people with a 76″ diameter for mass fun behind your boat or jet ski. 1-4 rider “lay-on-top” comfortable deck style of towable 76″ diameter x 11″ high (inflated) Large EVA chafe guard Three 2″ wide rear boarding straps “Quick connect” tow point rated for 4,000 lbs (or use RAVE custom tow point from Tiger Point P/N CT-RS-002) Flap cover over valve opening Self bailing vents (2) on bottom rear portion of cover Sewn at equator, no gusset panel 4 Person warning panel with orange header