Not All Silicone is Created Equal The Pinch Test an easy way to test for fillers in silicone Pinch twist or pull silicone If it turns white it has fillers Otterlove products will ALWAYS pass The Pinch Test because they are made with 100 silicone with no fillers Made with 100 Platinum Pure LFGB Silicone NO BPA BPS PVC Latex Plastics Phthalates Lead Cadmium or Formaldehyde Natural Fit for Tiny Hands Our natural curve design makes the cup easy to hold the soft silicone adds tactile grip Prevent Accidental Spills Wide bottom base provides support and reduces toppling Shatterproof Silicone cup will not shatter if dropped