2 Rider "Big Mable" Style Innertube Seat Base

Our replacement innertubes are quite simply the strongest in the business. This is a Bladder Replacement for models like the Sportsstuff "Big Mable"and the Airhead "Pit Stop" 2 person towable tube SEAT BASE ONLY. If you need both the BACKREST and the SEAT BASE Replacement . please see our 2 Person "BIG MABLE" Style 2 Piece Replacement Set. This contains the innertube only . and NOT the cover. Breathe new life into your towable! Don't spoil that summer vacation by having your favorite towable "fall flat"! Have an affordable spare with you on your well deserved time off! -Heavy Duty PVC Construction (12-15% thicker than any original or replacement tube on the market). -Double welded seams for added durability. -Super speed valve for easy inflation and deflation. -Measurements (Deflated) Approximately 63.5" Front To Back and 66" Across