This is a sake bottle with a spout. It doesn't have a lid, but it could probably be used as a sauce container. The mouth diameter is 3.5cm, the body diameter is 8cm, the width including the spout is 10cm, and the height is about 12.5cm. I think it's a 1.5 or 2 go (Japanese unit of volume) sake bottle, but I don't drink sake so I'm not sure.