The Pelican 1203 O-Ring is a replacement for the one supplied with the Pelican 1200 or 1300 series Cases. It maintains a watertight, moisture and dust proof seal.
The Pelican 1201 Foam Set is a three piece set of replacement foam set for the Pelican 1200 case. It consists of one convoluted top lid foam, one pick and pluck foam and one bottom foam pad.