• This is a securing insert for OmieBox UP.
• The securing insert twists around the thermos to keep it from moving when used inside OmieBox UP.

 *IMPORTANT*

This securing insert will only work with OmieBox UP. All spare part purchases are non-refundable. The best way to see which OmieBox you have is by checking the box shape.

• If your box is rectangular, it's an OmieBox UP and this is the correct part.
• If your box is square, then it's an OmieBox and this will NOT fit