The Original Premium Portable Spa. As a leading manufacturer of the inflatable, portable hot tub, Bestway® has become an industry staple that consumers know and trust. From innovation to style, Bestway leads the market with timeless prints and effective massage systems. The AirJet™ massage system releases warm air into the water, filling the tub with a calming bubble massage. Using durable materials, these spas come in many different sizes, accommodating solo use, a relaxing night for couples or fun group experiences.