SMST - Salts Secuplast Mouldable Seals Small Thins - 30 units per box ($5.95/unit) Salts Healthcare Ltd. $178.67 CAD SMST - $178.67 CAD Quantity This product is currently sold out. Secuplast Mouldable Seals Small Thins are 50mm in diameter and 3.0mm thick which allow for a low-profile seal, ideal for leakage prevention, comfort and security for all types, shapes and sizes of stomas. One size fits all. 30 units per box.