Magni-Clear Solar Blanket heats your in-ground pool faster than black or silver. Our blankets are laced with air bubbles that act as an insulating layer, shielding your pool from cool winds and nighttime cooling. In addition, our clear blankets allow more solar heat to reach the depths of your pool and heat it thoroughly. Made of ultra thick 14-mil material, it will outlast most other in-ground blankets on the market. Invest in the solar blanket that will give you the best heating you can buy — Magni-Clear. Available in a variety of sizes. 6-Year Warranty.