This is likely a terracotta tumbler with the Le Bon Marché logo. Terracotta is unglazed earthenware known for its breathability and absorbency. I don't really remember where I bought it, but I think it was at a herb garden. I only used it once or twice after buying it, and then I started using other things and it's been stored on a shelf ever since. It might not be terracotta, but it's a fragile item with a tasteful design. There is one black stain.