- 13.5 Oz. (400ml) glass tea infuser mug - 13.5 Oz. (400ml) glass tea infuser mug - Stainless steel mesh infuser with silicon ring, protect from crash- Handblown craft, made of borosilicate glass - Infuser can be placed in the lid- Heat resistant from -20 to 150 degree- Variety Pahadi Tea Sampler FREE Shipping!