Vintage Tupperware Microwave 3990 Divided Dish 3 Section Vent N Serve Container

Vintage Tupperware Rock N Serve Divided Container #3990 – 3 Section Microwave Dish
This vintage Tupperware Rock N Serve Divided Container #3990 is a practical retro kitchen piece designed for reheating and serving meals. The three-section divided design makes it easy to keep different foods separated—perfect for leftovers, meal prep, lunches, or portioned meals.
The smoke gray/black color gives this classic Tupperware container a distinctly vintage look, while the sturdy design makes it useful for everyday kitchen storage and reheating.
Details:
Vintage Tupperware Rock N Serve
Model #3990
3-section divided container
Smoke gray / black
Approx. 12" long including handles × 7.5" wide × 2.25" high
Designed for microwave reheating
Great for leftovers, meal prep, lunches, and portioned meals
Condition:
Pre-owned vintage condition with light surface scratches consistent with normal use. Scratches are cosmetic only and do not affect functionality. Please review all photos carefully, as they are part of the description.
Care:
When microwaving, use care with hot or greasy foods and avoid allowing them to come into direct contact with the lid/seal. Always follow appropriate microwave-use precautions with vintage plastic containers.