Cork Sealer & ProtectorThe Birkenstock Cork Sealer & Protector nourishes and protects Birkenstock cork latex footbed edges. It prevents the cork material from drying out and becoming brittle, and seals sole edges and small cracks, to maximise the longevity of the shoes. The Cork Sealer can be applied in thin layers with the included brush. Recommended for: Cork and cork latex surfaces of Birkenstock footwear. Application: Shake well before use! Apply a thin layer of the