Economises the costs of energy in cooking homemade ham by up to 50%!With the cover on, water in the pot maintains a stable temperature and need not be supplemented; this makes ham much easier to prepare.Intended for ham maker Tescoma PRESTO (art. 420866), suitable for pots with diameters ranging from 18 to 24 cm.Made of resistant plastic. Dishwasher safe.3-year warranty.