==Stackable Tempered Glass Set with airtight lids.==- SAFE BPA!!!� Container for easy storage � With Airtight lids � Dishwasher, Microwave and freezer safe � Not for use in ovens.- 6 Type SeriesSquare Type - 6 ProductsRectangle Type - 3 ProductsDeep Square Type - 5 ProductsRound Type - 4 ProductsMixing bowl Type -3 ProductsBart Type (use for Oven without Lids)- 3 ProductsAre you tired of using disposable or plastic containers for food storage? Do you like the look of glass containers? The solution is this elegant blue frosted glass container. Airtight, easy grip lid has a venting tab. Refrigerator, microwave, dishwasher and freezer safe. Shock-resistant tempered glass allows you to carry dish directly from hot to cold temperatures.