Tefal Genuine Glass Lid 26cm Brand new, unused. Compact storage. ★ The "Butterfly" folding knob allows the knob to fold, so the lids can be stacked compactly without the knob getting in the way. ★ Glass lid lets you see the contents. The glass lid allows you to check the cooking progress without opening the lid. ★ Stable silicone rim. The rim is made of silicone material and adheres closely to the pot body for a secure fit.