Kilner have created a wonderful way for you to preserve any dry foods or jams. This is possible through the lid being made up of two pieces, the first a replaceable vacuum seal and the second being a metal screw band to secure the seal. This glass jar is wonderfully versatile and will prove indispensable in the kitchen. Capacity: 250ml Top lid is made of 2 pieces Vacuum Seal Dimensions: 80mm x 80mm x 80mm (W x L x H) Please Note: Screw band can be used up to 10 times