Designed by the manufacturer of the Stomacher Circulator lab blender, these sterile bags offer resiliency to withstand paddle-action blending. All Stomacher bags are made from virgin LDPE granule extruded to 6.5 mil thickness. Choose from circulator bags with round corners, or classic bags with squared bottoms. Size 7" (177 mm) x 12" (305 mm). Bags hold 80 to 400 mL.