Make everything about your food storage better and easier with the LocknLock Tritan 44-Ounce Square Food Storage Container Set. Featuring a unique 4-hinge locking system for freshness that lasts longer, LocknLock Tritan storage containers are constructed from made-to-last Tritan that is 2X as hard as traditional plastic. The airtight and leakproof lids on these two containers have been durability tested to last up to 3 million uses, and LocknLock Tritan containers are microwave, freezer, and dishwasher safe (lids not intended for microwave use). Always BPA-free, LocknLock Tritan containers are stain and odor resistant, easy to clean, and come with a Lifetime Limited Warranty for healthy, happy, no-worries food storage. Lock in airtight and leakproof performance with freshness that lasts with the LocknLock Tritan 44-Ounce 2-Piece Square Food Storage Container Set.