Formosa Covers Heavy Duty Outdoor Square Top Pyramid Style Patio Heater Cover, Waterproof and UV Treated Keep your Outdoor Patio Heater Safe from Rain, Snow, Wind, Sun and Elements Heavy Duty 600x300 Denier polyester fabric coated with Vinyl Sleek Design. Easy to use Zippers for quick fit. Extra security provided with Velcro Bottom Waterproof and UV treated fabric - Vents make it breathable and more resistant to extra windy days Fits most Stand-Up Pyramid Dancing Flame Heaters. Please measure to be sure: Bottom 22" x 22" x 88"H, Top 19" x 19"