Medical bandaging product

A method of dispensing and resealing a moisture curable medical material against moisture intrusion is provided. The method includes the steps of providing a moisture-impervious product container comprising an elongate sleeve sealable to prevent entry of moisture, providing an elongate medical material positioned in the sleeve, sealing the medical material in the sleeve against entry of moisture until use, providing a dispensing carton within which the sleeve and medical material positioned therein is contained, and bearing a tab against the length of the sleeve devoid of medical material and into a laterally-extending opening in the sealing member to form a doubled thickness of the sleeve having a sealing fold therein to form a seal that is resistant to moisture intrusion into the sleeve.