Silicone Airtight Suction Lid & Food Cover (Set of 3) Save on cling-film and foil! Buy lids instead!This flexible lid is made from silicone, a revolutionary new cooking material. It is practical, a multi-use aid for food preparation and storage During cooking, it prevents unwanted splashes. For storage, simply place the fresh lid on the bowl and press down slightly to create the vacuum effect which holds the lid firmly in place. To remove the lid, simply lift off sideways. Heating the pot with the lid on will also eliminate the vacuum effect. The pinch design lid and flat underside allow the lid to lie flat on various sized saucepans, frying pans, pots and bowls to create an airtight seal, great for preserving and hygiene. What is in the box? 1 x Small lid (round): 25 cm, 9, 8 inch 1 x Medium lid (round):32 cm, 12, 5 inch 1 x Large lid (rectangular): 30 x 40 cm, 11,8 x 15,7 inch