ECOlunchbox
EcoLunchBox Seal Cup Large
Best durable container for spill free meal transport.
This durable, plastic-free food container is ideal for packing meals and snacks on the go. Its robust stainless steel construction is paired with a textured, leak-proof silicone lid, inspired by the natural beauty of seashells. Designed for convenience, it is safe for both dishwashers and ovens, offering a versatile and eco-conscious alternative to plastic. It is free from harmful chemicals such as BPA, BPS, and phthalates, supporting a commitment to reducing plastic exposure and promoting sustainable living.
$17.00
More Seal Cup Options
Owner Satisfaction
4.5
/ 5
Category Rank
1606
/ 4009
#1606 in Food Storage Containers
Price vs Category Average
-61%
Below average
Diameter
4.75
/ inches
Who it's for
- Conscious consumers seeking robust, long-term food storage solutions.
- Environmentally-minded individuals aiming to minimize their ecological footprint.
- Health-aware users prioritizing safe, chemical-free food contact materials.
Who should skip it
- Busy individuals who frequently reheat meals directly in their lunch containers.
- Commuters or students needing the lightest possible lunch carrying solutions.
- Organized users who prefer to visually identify food items without opening containers.
Performance breakdown
Leak-proof reliability
Silicone seal creates a confident barrier against spills and messy commutes.
Material durability
High-grade stainless steel withstands years of daily wear and tear.
Cleaning convenience
Dishwasher-safe design makes post-lunch cleanup quick and completely effortless.
Portability
Compact, lightweight form factor fits easily into most standard lunch bags.
Versatility
Oven-safe capability adds utility, though lack of microwave compatibility limits reheating.
Eco-conscious design
Plastic-free construction sets the gold standard for sustainable food storage.
Key Specs
Diameter
4.75 inches
Height
2.25 inches
Capacity
20 oz
Tare weight
4.4 oz
Material
18/8 Stainless Steel and Silicone
Dishwasher Safe
Yes
Oven Safe
Yes
Microwave Safe
No
Know before you buy
Yes, the container features a silicone lid designed specifically to create a secure, leak-proof seal. It is reliable for packing foods like dressings, dips, or yogurt without worrying about spills in your bag.
No, this container is made from stainless steel and is not microwave safe. However, it is oven safe, so you can use it to reheat food in a conventional oven if needed.
The Large Seal Cup holds 20 ounces, making it a versatile size for substantial snacks, salads, or main portions for lunch.
Yes, the entire container, including the silicone lid, is dishwasher safe. The simple, durable design ensures there are no hidden crevices where food particles can get trapped.
No, the EcoLunchBox Seal Cup is entirely plastic-free. It is constructed from 18/8 stainless steel and high-quality silicone, ensuring it is free from BPA, BPS, and phthalates.
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$17