SPS Medical paper/poly tubing is manufactured to the same quality standards as our pouches and is stocked in 100ft. (30 meter) rolls for use with steam, chemical vapor or EO gas sterilization processes. White paper that can be sterilized, constructed with 45lb medical paper, with see-through, heat resistant, 2½ mil blue poly-film materials and chemical indicators that change color when processed. Has a large seal area to prevent blowouts.