Blue Wave Gold 15-Year 25-ft x 45-ft Rectangular In Ground Pool Winter Cover Pool size: 25 feet x 45 feet Cover size: 30 feet x 50 feet Number of 8 feet water tubes needed: 18 Protects against sun, snow, ice and wind 5 foot overlap to ensure there is no stretching or ripping Pool size: 25 feet x 45 feet Cover size: 30 feet x 50 feet - These covers are created to be larger than the pool size in order to allow for proper installation Number of 8-Feet water tubes needed: 18 Integral cover loops to secure water tubes 5 foot overlap to ensure there is no stretching or ripping