Flexible Packaging Group offers lidding materials available in a wide variety of options, including all barrier levels from breathable to virtually impermeable, and the ability to seal and peel from a diverse range of substrates. The lidding's seals remain strong, yet are easy to remove, leaving a smooth, visible peel. The materials are supplied either in rollstock form or as precut lids, printed or unprinted. Lidding material can be used with rigid trays as well as with flexible form-fill-seal applications. Tyvek 1073B, with coatings is compatible with all major sterilization methods.