Robust tarpaulin for year-round use in any season Prevents leaves and dirt from falling into the water when not using the pool Prevents algae formation and limits water evaporation Allows you to limit the use of expensive chemicals to clean water at the beginning of the season Prevent dirt, leaves and debris from entering your pool with this 340 x 230 cm rectangular inflatable 4-season pool cover. Overground pool covers limit algae growth by reducing photosynthesis of these organisms, thus reducing the use of chemicals while preventing dirt from entering the water. This cover contains drain holes that prevent the accumulation of rainwater. Easy to set up, extremely durable and with cords to attach the cover to the pool, it fits perfectly with Deluxe Family Pools of size 305 x 183 x 50 cm.