THE INFLATABLE DONUT POOL FLOAT IS MADE OF ENVIRONMENTALLY FRIENDLY PVC MATERIAL. IT CAN GUARANTEE YOUR SAFETY, AND WHEN YOU LIE IN IT ALSO CAN LET YOU FEEL COMFORTABLE TO ENJOY THE SUN. THE SIZE IS 31.5". YOU CAN TAKE IT IT TO THE BEACH, RIVER, LAKE OR JUST RELAX IN A POOL. IT'S THE ULTIMATE INFLATABLE POOL TOY. FUN, BRIGHT, SPECIAL DESIGN ESPECIALLY THE AWESOME BITE MARK DESIGN. GREAT FOR VACATIONS AND TRAVELING TO LOUNGE ON AND RELAX. ENJOY THE GREAT SUMMER FUN. 31.5" DIAMETER