Tenjam SPL33104WH 4" White Riser for SPLASH Series Shayz In-Pool Lounger up to 9" Pool Depth 2 per Set. Raising the seat height is not an afterthought in this design. Optional 4", 8", and 12" Risers are designed to integrate into the overall design of Shayz. The user can purchase risers so they can tune Shayz to a height that is within their desired range. Some users want to be submerged, while others want to sit above the water. Plus, when Risers are added they do not change the seating angles of Shayz.