The Light Marker 2 adds a 3? x _? glow marker to any MOLLE, web or HEXGRID® platform or can be lashed to any suitable item. Low-profile and low-friction, the Light Marker 2 features our environmentally friendly 5.11 Firefly Glow Technology that absorbs and then releases light, making it easier to find your backpack, bag or other kit in darkness. Glow with no batteries, no maintenance and no fuss. Imported.