Plant-plastic and silicone help avoid harmful chemicals — With our non-toxic straw sippy cup, liquids touch only Sprout Ware® plant-plastic and 100% LFGB, platinum cured silicone made without PVC and hormone-disrupting BPA, BPS, BPF, BFDGE, NOGE, or BADGE additives for baby’s health and safety. Innovative Sprout Ware® plant-plastic alternative to petro-plastics — Sprout Ware® plant-plastic is a non-toxic, 100% plant-based plastic tested to the highest global standards. Sprout Ware® looks, feels, and functions like traditional plastic but without the drain on our bodies and earth. Silicone sippy spout, straw spout, and straw included to grow with baby — Our transition sippy cup with soft spouts help your baby instinctively regulate the flow of liquid for a natural transition from breast and bottle feeding.