organicKidz Award Winning Stainless Steel 4oz/120mL Wide Mouth Dark Blue Solid Baby Bottles - BPA, PVC and Phthalate free! The unique bottle design allows for easy heating and cooling of liquids - bottles can even be heated in a cup of hot water! The lid is a durable stainless steel design and doubles as a 2oz/60mL measuring cup - ideal for formula feeding. The lid can also be used as a snack or drinking cup! organicKidz Stainless Steel is naturally bacteria resistant, durable, light weight and dishwasher safe. Breast milk can also be frozen and stored in organicKidz bottles. When your child is ready, organicKidz handles and sippy spouts can be added to the bottle, turning it into a sippy cup. organicKidz Wide Mouth Baby Bottles are compatible with most major brand accessories. Easy to clean and hard to damage - organicKidz, the Safer, Greener choice! The organicKidz 4oz Wide Mouth Stainless Steel Baby Bottles feature: * Includes Slow Flow Nipple 0 to 3 months - Convertible to a sippy cup * Stainless steel lid doubles as 2oz/60mL measuring/snack cup * Dishwasher safe and naturally bacteria resistant * BPA, PVC, Phthalate Free; the Safer, Greener Choice