Need help on buying a towable tube for my lake!?

Hi! Im looking for a tube from any brandname. I would like the tube to have the folowing stats, if you can help me, thank you! -durable. -fast. -something unique about it. (such as an arch, wings, ect.) -a tube that can hold 4 or more people. -big tube, with an adrenalin rush when you ride!! You can just list a few and ill be sure to buy one of them! Thanks!