Black+Blum Eau Good Charcoal Filter Water Bottle, Blue Iconic bottle design that uses binchotan active charcoal to filter your tap water Includes x1 binchotan active charcoal filter 800 ml / 27 floz Pthalate + BPA-free tritan, cork, stainless steel and silicone Dishwasher safe except the cork - advise to wash by hand with hot soapy water and a bottle brush