LocknLock
LocknLock Tritan Purely Better Square Food Storage Containers
Best durable storage for meal preppers seeking leakproof, long-lasting freshness.
Elevate your food storage with the LocknLock Tritan Purely Better Square Food Storage Containers. This set includes four 20-ounce containers designed for lasting freshness and durability. Crafted from BPA-free Tritan, they are twice as hard as traditional plastic and resistant to warping, staining, and odors. The airtight, leakproof lid, featuring a 4-hinge locking system tested for millions of uses, ensures your food stays fresh. These versatile containers are safe for the freezer, microwave (lids excluded), and dishwasher, offering exceptional convenience for everyday use.
$207.58
Owner Satisfaction
4.6
/ 5
Category Rank
415
/ 2760
#415 in Food Storage Containers
Price vs Category Average
+352%
Above average
Material
Tritan
/ Tritan
Who it's for
- Parents needing shatterproof containers for busy households
- Meal preppers prioritizing long-lasting freshness and leak prevention
- Home cooks tired of lingering food odors and stains
Who should skip it
- Users with limited hand strength or dexterity
- Organizers with minimal vertical cabinet storage space
- Minimalists who prefer hand-washing to maintain aesthetic clarity
Performance breakdown
Seal Integrity
The four-hinge locking system creates a truly airtight, leakproof barrier.
Material Durability
Tritan construction resists warping and staining far better than standard plastics.
Visibility
Glass-like clarity makes identifying stored ingredients at a glance effortless.
Versatility
Seamlessly transitions from freezer to microwave without compromising structural integrity.
Maintenance Ease
Dishwasher-safe design ensures quick cleanup without lingering odors or residue.
Storage Efficiency
Square footprint maximizes shelf space compared to traditional round containers.
Key Specs
Material
Tritan
Volume capacity
20 oz
Food storage jar & container type
Food Storage Containers
Height
8.5 in
Color
Clear
Shape
Rectangular
Features
- Set includes four 20-ounce square containers with lids.
- Made from BPA-free Tritan, which is twice as hard as traditional plastic.
- Safe for freezer, microwave (lids excluded), and dishwasher.
- Features a 4-hinge locking system for airtight and leakproof performance.
- Tested to last up to 3 million uses.
- Resistant to warp, stains, and odors.
- Glass-like clarity for easy visibility.
- Versatile for refrigerator, freezer, pantry, and on-the-go use.
What customers say
Customers consistently praise these containers for their exceptional clarity and robust construction. The Tritan material offers the premium look of glass without the weight or fragility. Users appreciate the reliable four hinge locking system which ensures a leakproof seal for long term freshness. The square design maximizes pantry space while remaining easy to clean and resistant to stains or odors. Many reviewers highlight the long lasting durability as a primary reason for their satisfaction. These containers represent a smart investment for anyone seeking organized and dependable food storage solutions.
Know before you buy
Yes. The containers feature a 4-hinge locking system combined with a silicone seal that creates an airtight and leakproof barrier, making them safe for transporting liquids like soups or dressings.
Yes, the Tritan containers are microwave-safe. However, you must remove the lid before heating to prevent pressure buildup and potential damage.
Tritan is significantly more durable than standard plastic; it is twice as hard, resistant to warping, and does not absorb food odors or stains. It also maintains a glass-like clarity over time, even after repeated dishwasher cycles.
Yes, they are designed to withstand freezer temperatures without cracking or warping, making them a reliable choice for meal prepping and long-term food storage.
Yes, both the containers and the lids are dishwasher safe. For the best longevity, we recommend placing them on the top rack.
Still have a question?
Ask Hayley anything about this product before you decide.