The Advantage Portable Spa has big spa features at a very affordable price. It is a complete package that contains a 300 gallon capacity spa, 3 adjustable jets, pump, filter, heater, thermal skirt and 2 matching pillows/seats. The average person can assemble the Advantage Portable spa in minutes without tools. And it installs on grass, cement, wood — just about anywhere — making it perfect for patios and balconies. It also features a durable aluminum frame and 30 mil liner that stands alone without other support. Plus, the unique inflatable thermal skirt creates heat in the sun, holds heat in the shade and completely insulates the spa, saving valuable energy and money!