Size:18 x 36-ft. Pool | Color:Tan The Pool Mate professional-grade Tan in-ground pool cover protects your pool during harsh winter conditions. This professional-grade, premium polyethylene cover blocks out any dirt & debris throughout the winter. The professional-grade Tan cover prevents algae growth by blocking UV rays from entering your pool in the winter. Pool owners who use a Pool Mate professional-grade Tan pool cover & close their pool with the proper winterizing chemicals will have a clean pool in the spring that will be easy to open. It is always recommended to open your pool by mid to late may. This cover features a 5-foot overlap. Overlap is additional material beyond the size of your pool. Please order by pool size & add to the length &/or width if you have steps or a buddy-seat. The cover should be able to float comfortably on the water. Ordering a larger size cover & putting the extra material inside the pool can help increase the pool cover’s longevity. Includes water tube loops to be used with water tubes, sold separately. This professional-quality premium cover has heat sealed seams & is built to last longer. Includes premium binding around perimeter of cover. The Pool Mate professional-grade Tan in-ground pool cover comes with a 20 year warranty.