Compatibility : Silicone Sleeves compatible for Avent Natural Glass Baby Bottles and Philips Avent Anti Colic Bottles 8oz. These bottle sleeves with handles are a fantastic addition for Philips Avent Natural Baby Bottles | With handle : These silicone bottle sleeves for Avent baby bottle design with handles, the handles are easy to grip, perfect for baby not quite able to hold their own bottle, or can be a great option for training baby to hold the bottle for self feeding | Drop protection : Silicone bottle sleeves provides excellent protection for the bottle, bottom with reinforcement design, give that extra cushion in case the glass bottles fall, protect baby’s bottles from accidental drops breakage. It also anti-scalding if the glass is a little warm from heating up formula or milk | High quality : Silicone bottle sleeve for Philips Avent glass bottle made of high quality food-grade premium thick silicone, BPA & Lead free, safe for baby, sturdy yet soft, they are pretty stretchy, easy to put the bottle in and off, easy to use and to clean, dishwasher safe, durable and reusable | Visible unit markings: The baby bottle holder for Avent glass bottles design with a wide cutout on the side, can fully show the bottle unit markings, so that you can know amount of milk left easily