Sprout Ware® sip & straw cup made from plants and stainless steel 
 
Stainless steel, silicone, and plant-plastic help avoid harmful chemicals
 
Double-walled stainless steel keeps drinks insulated
Soft, silicone sippy spout for natural free flow and interchangeable silicone straw allows for tilted or upright drinking options, encourages proper oral development
Drip-free spout and travel cap prevents leaks
Contoured design and easy-grip handles
Inside marked with milliliters
Interchangeable parts for convenience and to grow with baby
Wide-neck is easy to fill and clean
177ml