57 mm (2-1/4 in) flange. Without tape collar (overall dimension 4 inch x 4 inch). 10/bx. HCPCS-A4414. Stomahesive® skin barrier/wafers are ideal for people whose stoma output is semi-formed to formed stool. This reliable skin barrier with low-profile flange provides excellent security because of a unique formula that enables the skin barrier/wafer to adhere to both dry and moist skin. The outer protective coating helps keep the skin barrier in place to provide added security when showering, bathing or swimming