Thank you for viewing. Purchased from Sports Authority or Montbell. This is an egg carrying case for BBQ and camping cooking. It's made of hard material, is lightweight for easy carrying, and can hold up to 6 eggs. It can also be used as a spare egg case in the refrigerator. It's convenient for everyday use as well, as you can stack them when buying in bulk or for storing onsen eggs or boiled eggs. Size (outer dimensions): Please forgive any errors as this is amateur measurement. 15.5cm x 13cm x height 7cm Material: Polypropylene Ships via Yu-packet Plus. The price is set as low as possible, so please refrain from price negotiations.