Medical-grade silicone, valved sippy spout

• 100% plastic-free toddler spout crafted from medical grade silicone
• Reinforced spout opening is much more durable than old spout
• Firmer silicone allows for free flow of liquids and natural formation of teeth and gums
• Each pack contains two XL Sipper Spouts
• Meets all FDA, CPSC, EN14350, European Commission 10/2011, German LFGB regulations and/or guidelines
• Patent pending design