The skin around a stoma is at risk for skin breakdown caused by effluent from the stoma and/or repeated removal of ostomy wafer which can strip the skin. Ostomy patients with unique stoma shapes or irregular peristomal skin which can be ‘filled’ with these flexible moldable arcs and sheets. The barrier arcs can help protect the skin from adhesive damage conforms to fit unique shape of stoma or skin surface and provides a water-resistant cover to address leakage concerns. Ostomy patients with unique stoma shapes or irregular peristomal skin which can be ‘filled’ with these flexible moldable arcs. Available: 1/3 circle 1/3 circle extra wide ½ circle and 4x4 sheet.