HYGROLID V2 IS READY TO PROTECT YOUR DRIED GOODS WITH IMPROVED CONSTRUCTION THAT NOW GUARANTEES YOUR NEW HYGROLID WILL LAST A LIFETIME! MADE WITH 1MM STAINLESS STEEL, A THICK SILICONE GASKET AND A REPLACEABLE HYGROLID HYGROMETER. LIFETIME WARRANTY! THE NEW HYGROLID V2 WILL LAST FOR GENERATIONS JUST LIKE ALL THE OLD MASON JARS STILL IN USE TODAY.