7-1/4 wide and 6 tall this larger sample is comprised of two cut-planks glued together onto a backer. Natural Flat Grain unfinished bamboo flooring readily captures the natural aesthetic of bamboo adding a traditional touch to any environment. Flat Grain flooring is Smith Fong Bamboo Pure (made with no added formaldehyde) and FloorScore certified and FSC Pure (100% FSC certified).