Collapsible dispensing tube with internal press-to-close sealers to prevent reverse flow of the content towards the closed end

A collapsible dispensing tube for dispensing quantities of fluid and viscose materials, comprising:

• a flexible compartment portion with an open end and a closed base opposite said open end, said compartment defining a first half inner surface and a second half inner surface thereof;
• a nozzle assembly integral with said shoulder portion connected to said flexible portion, said nozzle assembly having a passageway in communication with said content holding cavity;
• a first closure profile formed on said first half inner surface and a second closure profile formed on said second inner surface of said flexible wall said first and second profiles being arranged at spaced intervals along longitudinal axis of said flexible portion, each of said first closure profiles includes a thwart wise spaced male participant, and each of said second closer profiles a corresponding number of thwart wise spaced female participants connectable to said male participants to thereby form a thwart wise closure seals across said flexible portion.