Buchanan-Lite Stoma Protector, Large, Dark Blue, 8.5" x 8". Features include: Ezi-Tie adjusters, Lightweight construction, Layered formula €“ breathable polyester outer layer non-woven fabric for real filtration, Inner layers €“ microfibres €“ dedicated respiratory device material, The microfibre layer delivers high performance filtration and heat moisture characteristics and Soft to touch material.