Bestway 18-ft x 18-ft Plastic Solar Round Pool Cover in the Pool Covers department at Lowes.com
Amazon.com : Inflatable Pool Cover Rectangle Pool Cover 103 in x 69 in (262 cm x 175 cm) Rectangular Inflatable Pool Cover Dustproof Square for Garden Outdoor Paddling Family Pools Protector(only Cover) :
Intex 13Ft x 12In Round Easy Set Swimming Pool Solar Cover, Accessory Only - Walmart.com
Amazon.com : Intex 12' Swimming Pool Solar Cover Tarp & 12' Swimming Pool Debris Cover : Patio, Lawn & Garden