Features of Pack & Range ● These are storage containers that can be microwaved with the lid on. ● The heat-resistant glass can be sterilized with boiling water, making it hygienic. ● The glass is resistant to salt and acid, making it ideal for storage. ● They can be stacked and fit perfectly in the refrigerator. ● The square type can also be used as an oven baking mold if the lid is removed. ■ No need for plastic wrap, microwave-safe with the lid on! ■ The transparency allows you to see the contents at a glance. ■ Can be sterilized with boiling water for hygiene. The light pink lids are lovely. Sizes Square Large: 15 x 15 x 5cm Square Small: 13 x 13 x 5cm Round Large: Diameter 13cm, Height 7cm Round Medium: Diameter 10cm, Height 7cm Round Small: Diameter 7cm, Height 7cm Please note that there may be slight variations due to amateur measurements. Although it is a new, unused item, it has been stored for a long time. Please understand that this is a used item that has been in someone's possession before purchasing.