HARIO Stackable Heat-Resistant Glass Container M Set of 3 I've kept these stored in the cardboard box since they arrived. I opened them for the photos. Microwave safe. These containers come in various sizes, perfect for storing leftovers or preparing meals in advance. The square containers can be used in the oven (without the lid), allowing for a wider range of cooking and storage options. KST-60 x 2 pieces Width 143, Depth 139, Height 62mm, Full capacity 600ml KST-140 x 1 piece Width 270, Depth 145, Height 62mm, Full capacity 1400ml