The Barbie templates have a Mattel 1973 labeling

The animal templates have a Mattel 1974 labeling

For reference sizes the envelope they are in is 7-3/4" x 11-1/2"

The Barbie Long Skirt is 7-1/2" long and 4-1/4" wide at the base

Previously owned, as-is.  Unsure if set(s) is(are) complete.  All pieces are shown in attached pictures.  Unsure if envelope is original.