Double wall Stainless Steel water bottle with @Bambuu lid. Water is Free... so why pay for the single-use plastic bottle. The Water Bottle is made from high grade, BPA-free stainless steel to preserve the freshness and flavor whilst it's vacuum double-wall has Keep Hot and Stay Cold technology. The Water Bottle is finished with the @Bambuu seal of approval with a bamboo lid - 750ml 304 Food Grade Stainless Steel - Moso/Mao Bamboo Lid Dishwasher proof although would not recommend size 435g/300mm x90mm x 90mm