Coloplast Assura® Original 1-piece drainableColoplast Assura Original 1 piece drainable The adhesive barrier permanently adheres to the pouch with Assura 1 piece drainable. The entire appliance must be removed to replace the pouch. Assura drainable 1 piece pouches come with convex or flat barriers. The entire line includes opaque and transparent pouches with pre cut barriers (which are already cut to size or can be customized to fit ). Spiral Adhesive for skin friendliness and security. Assura