With simple to secure rope ties, the Bestway 10' Steel Pro Frame Pool Cover is the most practical, efficient & easytouse pool cover. Made from premium PE material, it effectively keeps bugs, birds, leaves & other debris away. The Drain hole is another fantastic feature to prevent rain building up over the cover. It also greatly reduces the chance of evaporation when your pool is not being used. The Bestway 10' Steel Pro Frame Pool Cover is the perfect pool cover which gives your Steel Pro Frame Pool the best care & protection during all seasons. Alternative 12' size is also available.