This bottle adapts to your baby's changing needs!The 9 oz. bottle comes with a silicone sleeve, polypropylene cap, ring, stopper, and a Stage 2 (3-6 months) silicone nipple. You'll appreciate the grippy surface of the colourful silicone sleeve, and you'll love the fact that you're using a glass bottle that is manufactured with high quality materials.FEATURES Made with high quality thermal shock-resistant borosilicate glass Protective silicone sleeve helps prevent breakage and provides an easier grip Includes Stage 2 silicone nipple, polypropylene cap, ring and stopper Bottles can be used to freeze liquids - see guide for proper storage instructions. BPA-free and phthalate-free. Tested to meet FDA standards. Made in USA and Europe Dishwasher safe (place cap parts and nipple on top rack/no need to remove silicone sleeve) 9 oz (265 ml)