Safety and winter cover measuring 776cm x 425cm, designed for Ubbink 400x750cm pools. Prevents children from accessing the pool and keeps out the accumulation of leaves and insects during the winter. Complies with standard NF-P 90-308. Supplied with fixing hooks, screws, and patented bungee cords. The 550g thick cover is pre-cut to accommodate the supports of the stainless steel ladder. Color: blue. Installation: 5 to 15 minutes; removal: 5 minutes. Ubbink bubble covers and safety covers for pools are only suitable for Ubbink pools of the corresponding dimensions and cannot be used on other pools. If this item is purchased for other pools, it cannot be returned.