"Buchanan-Lite Stoma Protector, Small, Dark Blue, 5.5"" x 4.5"". 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."