Boiling water and dishwasher safe. Purchased about 5 years ago and used for a while. There are no noticeable stains or scratches, but please be aware that there is a sense of use. The cap has a filter, so you can put tea leaves directly into the bottle and make cold brew. Cold brew Bottle Hario Pod Size: Width 8.7 x Depth 8.4 x Height 30.0 x Mouth diameter 7.1cm Body weight: Approximately 0.45kg Material: Body/Heat-resistant glass, Spout/Silicone rubber, Filter/Polypropylene Practical capacity: 750