Goplus Inflatable Ice Bath Tub, Portable Cold Water Therapy Tub w/Cover, 6 Sturdy Support Rods, Inflator?Portable Ice Bathtub This ice bathtub allows you to enjoy cold water immersion anywhere and anytime easily, which can be a good helper for muscle recovery. It not only helps to relieve muscle pain but also can increase your immunity, improve sleep and enhance vigor. ?Multi Layer Construction This inflatable bathtub features 6 layers design, the PVC inner layer for water resistance and thermal insulation, which can keep the water cold for 5 hours.