RELXTIME Hot Tub a durable and portable inflatable spa that accommodates 4-6 people. Featuring 130 high-powered bubble jets a built-in water filtration system and a rapid heating system that can warm the water up to 104?F this hot tub is perfect for year-round use. Crafted with laminated PVC material the tub is designed to withstand scrapes and punctures ensuring long-lasting enjoyment.