Purchased at a Mexican exhibition over 50 years ago. It was displayed on a shelf at my parents' house. It has a texture like unglazed pottery. Water has never been put inside. I was a child at the time of purchase, so I don't know the details. I have included the product description from someone else selling similar items below. This is a set of a jar and a cup made in Tonalá, Jalisco, Mexico. Tonalá has various types of pottery, but this is made using the oldest method called Canelo. In Spanish, Canelo means cinnamon, and it's named that way because the color of the pottery resembles the color of cinnamon flowers. The nature of the clay has a cooling effect and has been used for storing alcohol since ancient times. [Jar] Mouth diameter: approx. 2.5cm Maximum diameter: approx. 9cm Height: approx. 12cm [Cup] Mouth diameter: approx. 4.5cm Height: approx. 4.5cm There are areas where the pattern is worn off. I don't know if it's chipped or if it was like that from the time of purchase, so please judge from the images. There appears to be a crack inside the cup, but it is likely from the manufacturing process. This item has scratches and stains.