The present invention relates to an easy-to-use and effective magnetically resealable moisture-proof pouch containing moisture-curable orthopedic splinting/casting product in bulk form or in individually packaged rolls. The preferred pouch incorporates a frame disposed about an opening into the pouch which provides a mounting place for a moisture-proof magnetic seal. Also disclosed are containers for the preferred pouches which are adapted for use with the magnetic sealing system according to the present invention.