Outer shell fits: most pyramid style patio heaters. Manufactured; Made of woven polyester with a tear-resistant backing. Water to protect against rain, snow, sun and dust. Protect your furniture – Double insulated, waterproof and weatherproof to protect your heater from UV rays, wind, mold and water. Easy to use clean – Wipe clean with a damp cloth or hose, then dry in the sun for next time. Snap closure ; Zipper closure for secure placement and easy removal, love your patio heater cover.