FlexiDerm Oval, Non-sterile. For single use. Provox Adhesive base plates are designed to hold Provox HME Cassettes, Provox FreeHands HME and the Provox ShowerAid in front of the tracheostoma, and to provide an optimized seal to the skin around the stoma. Transparent and has a finger lift for easier removal from protective paper and skin. FlexiDerm often preferred for its strong, flexible adhesive properties (mean durability: 2 days). Packaging: 20 Pieces/Box.