Buoyant closed-cell Thin Fly Foam offers maximum flotation on large bulky dries that cant be floated well with hackle. Examples include hoppers, stoneflies, cicadas, hexes, and wasps. Thickness: 2mm. Colors: Olive, White, Yellow, Tan, Black, Salmonfly Orange. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Foam.