Every quality reusable straw straw sold in our store is free of bpa and other harmful chemicals.  Our reusable silicone straws are made from food grade, FDA (US standards) and LFGB (German standards) approved silicone. S1S stainless steel straws are made from high quality, FDA approved 18/8 stainless steel - plastic free and bpa-free.  After testing and reviewing numerous samples, we chose a manufacturer in Shanghai, China offering material certifications.