Loose tea by the cup.....simple. This double-walled ceramic tumbler and integrated stainless steel infuser make steeping loose tea by the cup simple. The innovative double-wall construction keeps the tea hot and the tumbler cozy to hold. Add the lid to your cup while steeping. When done, remove and use as a tray for your infuser basket. Steeps 12 oz. Includes stainless steel infuser basket, ceramic cup and lid. Cup and lid are microwave and dishwasher safe.