Lay-Z-Spa Round DomeCreate your own oasis right in your backyard with the Lay Z Spa? Round Spa Dome! Compatible with all Bestway? inflatable spas and pools up to 3. 66 m (12 ft.) in diameter, this dome can give you some privacy and shield you from the rain, sun or other weather elements. This dome is set up similar to a tent, and has 4 large pockets to store personal items and 4 detachable fabric and mesh doors. This dome can be used all year long. Setup is quick and