Vurtego V4 Pro Pogo Stick The most advanced pogo stick ever created 10% more air than the V3 and a host of other upgrades create our best ride ever Adjustable air pressure allows anyone to bounce Made and assembled by hand in the U.S.A. with 1 year warranty 3 Sizes: Small (5'5" and under) / Med. (5'6" - 5'11") / Large (6'+)