Endless Pools offers several cover options for their swim spas and modular pools, primarily focused on the Manual Covers. These covers are designed to trap roughly 95% to 100% of humidity, making them essential for indoor installations. Comes with 2 covers one for each side. Manual Retractable Security Cover Weight Support: According to Endless Pools, while this cover can support up to 275 pounds, it is not intended to be stood upon.Standard Operation: It is designed for smooth, hand-crank operation. For easier closing, the manufacturer suggests installing a pulley mechanism at the end opposite the roller to allow the cover to be pulled evenly across the pool.Security: When installed with all manufacturer-provided materials and a latching device, it meets A.S.T.M. F1346 standards for preventing unwanted entry by children