•Made with high quality thermal shock-resistant borosilicate glass •Protective silicone sleeve helps prevent breakage and provides an easier grip •Includes polypropylene caps, & rings •Bottles can be used to freeze liquids •BPA-free and phthalate-free. Tested to meet FDA standards. •Made in USA and France •Dishwasher safe (place cap parts and nipple on top rack/no need to remove silicone sleeve) Five 4oz bottles Five caps Five rings Five silicone sleeves All in great condition* *one ring has some scuffs as pictured