Porch Shield 100% Waterproof 600D Heavy Duty Patio Square Air Conditioner Cover 34x34 inch, Tan Patio air conditioner cover is a 600D durable polyester fabric with an added water-resistant laminated undercoating. Fit square air conditioners 34" long x 34" wide x 30" high. Come with an extra square of material to use as a patch. 3 YEAR WARRANTY. Water-resistant backing keeps your air conditioner dry. And full cover with seam sealing tape make it 100% waterproof. Structured air vents at two sides stay open to prevent wind lofting and mildew, and are lined with mesh barriers, which keep animals and leaves out of cover. Waterproof, and breathable. The heavy duty ribbon weaving on air vents make removal easy while double-stitched seams add strength. Elastic hem cord and bottom strap allows for a custom secure fit, especially during high winds and severe weather.