Vintage 1968 Sock-it-to-Me Laugh-In Yellow Lunch Box

Vintage 1968 Small mark on back. Zipper is rusted but works. Material Vinyl Metal Colour Yellow Black (Color) Dimensions Height: 8 in (without handle) Width: 7.75 in Length: 4 in Inscriptions on front of lunchbox: Sock it to Me / George Schalatter-Ed Friendly / Productions and Romart, Inc. 1968