This is a thermos lid for the OmieBox UP. The seal is pre-installed on this lid, so you don't need to purchase a separate seal. *IMPORTANT* This thermos lid is only compatible with the OmieBox UP. All spare part purchases are non-refundable. The best way to determine which OmieBox model you have is to check the shape of the box. If your box is rectangular, it is an OmieBox UP and this is the correct part.
