This glass shelf provides storage space in your refrigerator above the crisper. Shelves can crack and chip due to frequent use, and should be replaced immediately if cracks start to appear. This shelf measures approximately 30.5 inches wide by 15 inches deep and is for LG refrigerators. Replacing a damaged shelf is easy, carefully remove the faulty shelf and install the new one. Be sure to wear protective gloves if the existing shelf is cracked or broken.