Marketing InformationThe water brick water seat enhances the spa experience, adding comfort and an extra boost for those that need it. Made of PVC-coated vinyl and a unique stuffing that holds its shape, the Water Brick is durable and well-suited for the spa environment. At over 4 in THK, the water seat offers a great deal of comfort compared to sitting directly on a hard spa surface. To ensure the seat sinks into place, a removable pouch has been included which can be filled with marbles or washed pea-gravel. The spa experience is meant to be relaxing let the water brick complete the experience.