Straight shape with perfect intermediate size
Can't decide between the small 500 ml and the large 1000 ml Mason Jar? Then our intermediate size of 750 ml is just right for you. The straight shape fits perfectly in the hand and the Oleni Mason Jar can be used in many different ways.
Fancy a large smoothie in a glass? With a capacity of 750 ml, you're well equipped - you can seal the Oleni glass airtight and pack it in your bag. The two-part lid creates a vacuum in no time at all and the Mason Jar is 100% leak-proof - guaranteed not to leak.
The Oleni Mason Jar is also super robust and heat-resistant - perfect for preserving ripe tomatoes in the summer. Not only heat-resistant, but also suitable for freezing, e.g. small leftovers or the next meal prep lunch.
Thanks to the milliliter and cup measurements on the side, the Mason Jar can also be used as a measuring cup for baking or cooking.
Would you like to add a stainless steel lid to your jar? We offer the one-piece lid or the two-piece lid individually in the shop.
Will 1 kg of flour fit in 1 L Mason Jar?
Volume (kg) is not weight (ml). You can find out which glass is best suited for your supplies in our size guide .
What is the difference between Regular and Wide?
Regular and Wide refer to the size of the glass opening. The glass opening is crucial for the combination of accessories. You can find more information in our Mason Jar Guide .
Are the jars and lids free of BPA and plasticizers?
Yes.
Do the jars come with lids?
Yes, all jars include a two-piece lid. One-piece lids or wooden lids are available separately.
Why is the standard lid two-part?
The two-part lid turns the FAVORITE GLASS into a multifunctional glass and can be combined with our accessories such as the lemon squeezer. Remove the plate, put in the lemon squeezer and screw on with the ring.
Is the glass dishwasher safe?
Yes.
Can I use the Oleni glass for baking?
All jars up to 0.5 l can be baked at up to 180 degrees. You can find tips on baking in jars here.
Is the glass suitable for the microwave?
Yes, the jar can be used in the microwave without the lid.
How do I sterilize the jars properly?
To avoid a temperature shock for the glass and thus a possible breakage, we recommend sterilizing the glass gently: the glass should gradually get used to the temperature and the material can expand slowly. Therefore, we recommend placing the glasses in the water bath for sterilization and then heating them slowly.
How do I freeze properly in the jars?
Follow these 4 tips for freezing: (Or learn more here )
- Leave space to the edge and fill 2/3 of the glass.
- Allow the contents to cool
- Place the lid loosely on top
- Let it thaw slowly
Are the glasses moth-proof?
Yes, the two-part lid seals the jar airtight - absolutely moth-proof.
That's why our lids are two-part
Our Lieblingsglas is a real all-rounder. Thanks to the two-part lid, our Mason Jar becomes a multifunctional jar . The smart lid enables multifunctional use with our accessories , such as the lemon squeezer or the spiral cutter.
And this is how it works : Simply remove the lid plate, insert the desired accessories and secure with the screw ring. This turns the Mason Jar into a practical kitchen aid or decorative element that is individual and space-saving.
Create your perfect jar!

