Bundle up your glass baby bottles with the Dr. Brown’s™ Options+™ Wide-Neck Glass Baby Bottle Sleeves. Form and function make the Glass Baby Bottle Sleeves an adorably smart way to protect your glass baby bottles. The 100% silicone bottle sleeve helps protect Dr. Brown’s Options+ glass bottles from breakage while in use, while warming, or while in the dishwasher. The fitted bottle sleeve helps you get a good grip even if the bottle is slippery. Featuring a see-through back panel, you can keep an eye on proper measurements. Grab one in every color! Available in Mint Green, Light Pink and Blue. Dr. Brown’s Options+ Wide-Neck Glass Bottle Sleeves are available in 5 oz/150 and 9 oz/270 ml sizes. BPA Free. Dishwasher and sterilizer safe.