Komax Glass Look Air Tight Container Set 100% Leak Proof Storage Containers with Modular Stackable Design for Fresh Food (6) Ideal for Serving & Storing with a Smart & luxury Design Fully Tempered & Heat Resistant Glass that won't warp or stain. 100% Airtight It wont Leak, Spill or absorb odors, & Dishwasher, freezer safe 100% BPA Free Seal-tight lids ideal for secure food storage stackable design Made by refined soda lime glass has resistance against shock even it shatters it will break into small fragments instead of sharp shards making it less likely to cause injuries