RAVE Sports Mass Frantic Ski Tube Keep the fun and excitement going all summer long on this large deck tube for 4 riders! 4 riders / 680 lbs. (308 Kg) max rider weight Features quick-connect tow point, three rear boarding straps and EVA chafe guard Skim-fast bottom for a slick and fast ride Stay-brite technology repels dirt, water and provides color fastness