Perfect for whole fruits and vegetables. With a wider opening than standard jars, these Kilner 0.5 Litre Wide Mouth Preserve Jars are perfect for whole fruits and vegetables. Airtight, the lid is made up of two pieces-replaceable vacuum seal and a metal screw band to secure the seal and keep your contents fresh. Featuring the instantly recognizable Kilner logo and embossed volume indicators on the side, these handy preserve jars are no longer a practical accessory to store away in a cupboard or pantry.