This is the replacement lower crisper pan for your refrigerator. It is made of clear plastic and is approximately 16.5" x 16.2" x 8". The crisper pan slides into the bottom of the refrigerator shelf and is used to store meat and other food items. The main reason to replace the crisper pan is if yours is cracked, damaged, or missing. To replace the crisper pan, simply slide the old pan out, and slide the new one into place. This is an OEM part sourced directly from the manufacturer and is sold individually.