Insulated version of the original and iconic klean kanteen classic bottle durable high performance double wall vacuum insulation keeps contents hot 12 hours or iced 24 hours leakproof loop cap for safe transport large 1 75 44mm opening fits ice easy filling and pouring electropolished interior doesnt retain or impart flavours portable reusable and recyclable patent pending capacity 355ml 12oz weight without loop cap 257 9g 9 1oz size without loop cap 8 5x2 9 21