Colostomy Barrier Barrier Material Hydrocolloid Barrier Shape Flat Barrier Type Pre-Cut, Standard Wear Flange Size 1-3/4 Inch Flange HCPCS A4414 (Disclaimer) Opening Size 1-3/8 Inch Stoma System Match Universal UNSPSC Code 42312105 Overall Dimension 4 X 4 Inch 2-Piece Ostomy With flange with tan tape collar