Blue Wave Gold 15-Year 21-ft x 41-ft Oval Above Ground Pool Winter Cover Pool size: 21 feet x 41 feet Cover size: 25 feet x 45 feet Protects against sun, snow, ice and wind 4 foot overlap to ensure there is no stretching or ripping Pool size: 21 feet x 41 feet Cover size: 25 feet x 45 feet Protects against sun, snow, ice and wind 4-feet overlap to fit most top rails Heavy duty cable and winch tightener included