This versatile spa can be used on your patio, basement, sunroom, backyard etc., * Self-inflates in minutes, fast, easy set-up, no tools needed completely portable, spa folds up easily for storage or travel * Seats 4 adults comfortably, massaging bubble system with 130 air jets * Plugs into 110V outlet, outer diameter: 73 inches, inner diameter: 55 inches, capacity: 211 gallons * Materials: 40-gauge PVC vinyl/19-gauge cloth, shipping weight: 48 pounds, shipping dimensions: 21 inches long x 18 inches wide x 28 inches high