4 independent air chambers with separate valves provide even air distribution and stable air pressure, safely supporting up to 220 lbs with minimized air leakage. Ergonomic support for comfort and relaxation The embrace backrest follows the natural curve of your back and supports your head and neck during bathing, helping to release pressure and promote ongoing relaxation of body and mind. Generous, practical sizing Measuring 33.07 x 55.11 x 29.13 inches, this large inflatable bath accommodates adults up to 5.9 feet tall, allowing you to stretch your legs in the water. The water depth reaches chest level for a zero gravity decompression feel. Effective insulation and heat retention The bottom uses a thickened 6layer laminated cotton that is skin friendly and helps insulate against ground chill. The widened airbag wall together with the bath cover minimizes heat loss, enabling 360degree full body heat circulation. Specifications and features at a glance Capacity: supports up to 220 lbs Chambers: 4 independent air chambers with separate valves Overall size: 33.07 inches (L) x 55.11 inches (W) x 29.13 inches (H) User fit: suitable for adults up to 5.9 ft tall Material and construction: thickened 6layer laminated cotton bottom; widened airbag wall; bath cover for heat retention Performance: even air distribution, stable air pressure, comprehensive heat circulation Use scenarios Home spa and relaxation: set up in a spacious bathroom to enjoy a comfortable, stressrelieving soak after a busy day. Post workout recovery: soak legs and back to soothe tension and support gentle recovery after exercise. Tall user comfort and zero gravity feel: the roomy dimensions and water depth provide a comfortable soaking experience for taller individuals, with a chestlevel water depth that enhances relaxation.