RETHONE K Tazza Cialde Caffè Riutilizzabili, Acciaio Inox Riutilizzabile K Tazze Compatibile con
Perfect Sealing: RETHONE K cup reusable coffee pods are designed with one-piece construction and a solid top seal. The rubber rings for the top seal with a notch that matches it perfectly which ensures it is leakage-free.