The Acri-tec Drop-In bathtubs are constructed of a high quality cast acrylic sheet that has a uniform composition and color throughout. The acrylic is fully supported by several layers of fiberglass and in several key stress areas, additional wooden support panels. Each bathtub has leveling legs to help level the bathtub for installation on uneven surfaces. The minimalist lines of the Kobe can be made with a 1″ to 4″ lip and is designed to drop into a deck or custom surround. Incorporate Air and Water Jet Systems to create a complete whirlpool bath. Sit back, relax and clear your mind of everything but the purity of this most elemental of bathing experiences.