WC864 Size: 30' x 50' Features: -Rectangular winter cover.-Arctic Armor covers are U.V. protected so they will last for years in direct sunlight.-Arctic Armor cover comes in forest green with a black underside.-Protects against sun, snow, ice and wind.-5 foot overlap to ensure there is no stretching or ripping. Options: -Available in 228', 300', 348' or 420' width sizes. Dimensions: -Number of 8' water tubes needed: 12.-19' Cover fits pool dimensions: 14' W x 28' D.-25' Cover fits pool dimensions: 20' W x 44' D.-29' Cover fits pool dimensions: 24' W x 40' D.-35' Cover fits pool dimensions: 30' W x 50' D.-19' Cover dimensions: 19' W x 33' D.-25' Cover dimensions: 25' W x 49' D.-29' Cover dimensions: 29' W x 45' D.-35' Cover dimensions: 35' W x 55' D. Warranty: -Manufacturer provides 12 year warranty.