We can only use bottle caps with a Grade 2 or 4 plastic.  So, any with a '2' or '4' on the actual cap (not the bottle) will be fine.  The number must stand alone, not with a code.  This will generally include soft drink, water and milk bottle caps.  To see if any other type of cap is usable, you can look at the numbers located on the underside of the cap.  We also ask that the caps are please rinsed before they are donated and that no extra plastic, metal or other material is attached.  We also cannot accept any larger lids, such as those found on vegemite or peanut butter jars as they are too difficult to process.