Meet The Safe Sippy stainless steel drinking cup is one small step in creating a less toxic world for our children. The Safe Sippy cup breaks away from the all-plastic sippy cup designs of the past. From the clean, non-leaching stainless steel cup to the unique safety features to the plastics free of Bisphenol A and other harmful chemicals, The Safe Sippy cup was created to accomplish one simple goal: Clean In, Clean Out.