Safe. Simple. Smart. Created by a feeding specialist and award-winning designer, the Babylife Wee Go Bottle is beautiful, stylish, safe, developmentally-appropriate and eco-friendly! The glass bottle is totally FREE OF HARMFUL CHEMICALS found in many plastic bottles. The plastic ring contains NO POLY-CARBONATES and is made of FDA-approved and food grade plastic, and is also recyclable. The super chic silicone sleeve helps prevent breakage and bumping and provides a good gripping surface and tactile experience for baby during feedings. Silicone is free of plastics and is 100% NON-TOXIC. 100% silicone, non-toxic, latex-free nipple included but other nipples may also be used. Bisphenol A, PVC and polycarbonate-free. Non-toxic. Boiling water or Dishwasher safe. Holds 9 ounces (260ml). From left to right, Pink, Raspberry, Orange, Yellow, Sky, Ocean.