Tupperware Season Serve Marinade Container 1294-8 and Lid 1295-5 Made in USA | eBay
Just found this sub! Had to borrow the image from Pinterest, as my mom has this item. Parents inherited this Tupperware marinade container when my grandma passed in 97/98. Grandma owned it
Vintage Tupperware Season N Serve Marinator & Tenderizing - Etsy