Rectangular metal can has a yellow slidding top that reveals a "sanitary sealed" top holding the powder contents in. Top has a raised section that a tumb could fit into for slidding, directions read: Slide Here to Open. Can has a paper label, top and bottom are dark blue and a yellow band in between
Inscription on top of can: Slide Here to Open/ Patented 22525
*Inscription on front of can: Purepac/ Sodium Perborate/ Flavored/ With Aromatic Oils/ Net Wt/ 4 Ozs./ Packaged by Purepac Corporation/ New York N.Y. (Printed in black crayon 75)
*Inscrption on right side of can: Sodium Perborate/ Flavored With Aromatic Oils/ New Weight 4 Ozs./ Packaged by Purepac Corporation, New York, N.Y./ A Purepac Product/ (In a circle horizontal PUREPAC and intersection at the E vertically is PUREPAC)
*Inscription on back of can: Mouth Wash or Gargle/ Dissolve one level teaspoonful in one half glass of water. Rinse mouth thoroughly. Repeat as often as directed by dentist or physician./ DENTIFRICE/ Follow directions of dentist as to method and frequency of use. Excessive use of this preparation may be irritating to mouth tissues. It should be discontineud at the first sign of irritation or soeness. Rinse mouth thorougly after use./ Caution: Sodium Perborate deteriorates in moist, warm weather. Keep container well closed and in cool dry place.