Reduce the need for single-use plastic by choosing a bottle made using clean, BPA-free recycled aluminium. Lightweight and easy to carry, it features a watertight, stainless steel lid, so you can pop it into a bag, worry-free. The insulating, protective sleeve is made from neoprene and cork. 23 ( h ) cm recycled aluminium, stainless steel, neoprene & cork 650ml single wall not for hot water not microwave safe the bottle can go into the dishwasher but not the lid packaged in a natural kraft Kooshty gift box