1980's. Tupperware does bento. Vintage tupperware, Tupperware

Ultimate Guide to Japan's Bento Box - Japan Switch

The classic Tupperware every 1980s Kiwi home had - and which ones are now worth some $$

Vintage 1980s Tupperware Pack N Carry Lunchbox/bento Box With Handle, Lid, and Three Internal Containers

The Best Bento Lunch Box for School Lunches

Vintage Tupperware: See 100+ retro plastic container styles, from the '50s to the '80s - Click Americana

Blowing The Lid On What To Do With Old Tupperware

New Tupperware Large Lunch-It (Divided Bento Box). Divided into 3 Sections (2 small & 1 large). 4 Cup / 1 Liter Capacity. 8.75 x 6 (not including

Tupperware Large Lunch-It Divided Lunch Bento Box Watermelon Rectangle Keeper ❤️

Got this old Tupperware brand set for $20 : r/BuyItForLife

Discover a Collection of Vintage Tupperware Containers

Vintage Caboodles Model 2602 Teal Purple Travel - Depop