I'm selling this because I didn't have a chance to use it personally. It can also keep things warm, so it can be used year-round. Size: H23 x W23 x D13cm Box-type insulated/refrigerated bag A box-type insulated/refrigerated bag featuring cute Disney characters is now available! The inside is made of aluminum sheet, so it can keep things cold or warm! It's a reliable lunch bag that can be used regardless of the season. It's tall, so it has plenty of storage space, and you can even lay a drink on top of your lunch box! Yu-packet shipping