Toxin free stainless steel bottle and silicon sports cap no BPA, phthalates, lead or anything that harmful to your child All of Klean Kanteens bottles are made from high quality 188 food-grade stainless steel which 100 free of BPA that you could find in some plastic bottles. The stainless steel ensures that no flavours are retained or imparted. Free of phthalates, lead or toxins, you are doing your baby a favour whilst also reducing plastic waste. Klean Kanteen bottles are built to last a lifetime with a wide mouth for easy filling and pouring as well as curved edges for easy cleaning, it also reducing the chance for bacteria to build up.The Kid Kanteen 12oz 355ml ergonomically designed to fit into your childs hand for facilitated drinking. It comes with a sports cap for easy opening and closing and a handy loop which can be used to hook onto a bag or stroller. Klean Kanteen are highly health and environmentally conscious so you can rest assured that you are purchasing a quality product. To show their dedication to the planet they are part of the 1 For The Planet organisation whereby 1 of their annual sales are passed on to fund environmental causes.Do your part for the planet and recycle, start with a Klean Kanteen bottle.