Lids (plastic and metal) larger than a credit card can be placed in your yellow-lid recycling bin.
Lids of the same type of material as their container (plastic or metal) can be placed back on the container and recycled along with the container.
LOOSE metal and plastic lids smaller than a credit card should be placed in your red-lid landfill bin - they are too small to be recycled through the sorting machinery at recycling facilities.