Snow White stands 3.5" tall including base; Dwarfs are about 3.125". Because of their age, the figures today can be quite brittle and are easily broken.
All are marked on back. "© WALT DISNEY, SEIBERLING L.P. CO., ARKON, O. MADE IN U.S.A."
The box artwork includes Snow and the boys in front of a smiling forest tree (as apposed to the scary ones from the film).
Images courtesy of David Welch of PEZDUDEWELCH.