This air conditioning cover is made of 600D with PVC coating. The edges are sewn, not heat-welded like lesser models, providing superior strength at the seams. Suitable for square American standard air conditioner. Elastic bottom, can be adjusted at will, shrinking elastic rope tight. No cracks appear in cold or hot weather for a long time. Put your mark on it, just having an air-conditioned place will increase your exposure. 34" L x 34" D x 30" H