Jump in - the water is fine! Nothing beats a day on the lake, tubing with friends on a giant slice of watermelon. Seriously, we want an invitation when you plan your lake day and start stocking up on pool toys and planning lake activities. Consider us RSVP’d! Vinyl. Inflated, 30" x 70" diam. Fits 1-2 riders. Includes quick connect adapter for tow rope, 6 comfort grip handles and 1 Boston valve.