Loose tea by the cup.....simple. Our double-walled ceramic tumbler and integrated stainless steel infuser make steeping loose tea by the cup easy. 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. Measurements and Details: - Steeps 12 ounces - Includes stainless steel infuser basket, ceramic cup & lid - Ceramic cup and lid are microwave & dishwasher-safe - Do not microwave stainless steel infuser basket