Our Best-Selling Material Our best-selling material, Covermates Elite covers are ideal for climates with low to moderate humidity and sunlight and moderate to high wind gusts, rainfall, and snowfall. Elite covers are lightweight, making them easy to put on, take off, and store. High-Quality Protection Coming outside to enjoy your patio on a cold night and finding out it’s not working can be disheartening. They always keep you warm, so ensuring they are protected from the elements and properly functioning is essential. Our weather-resistant heater covers serve as a barrier to water, dirt, and debris. Make sure your heater is protected and ready to use at all times. Installing the cover is made simple with an elastic hem and adjustable drawcord that provides a flexible yet snug fit. Four covered mesh vents promote airflow to prevent trapped moisture that leads to mold and mildew.