The Philips Avent Glass Bottle Sleeve is a protective accessory designed to insulate and safeguard glass baby bottles. This sleeve helps maintain liquid temperature while providing shock resistance to protect the bottle from damage. Key features: • Insulates to keep liquids warm or cool • Shock-resistant material protects glass bottle • Opening allows easy viewing of measurement scale • Machine washable at 40°C • Compatible with Philips Avent Natural glass bottles • Made with baby-safe materials The sleeve features a convenient opening that allows parents to easily monitor feeding amounts by viewing the bottle's measurement scale. It is certified Oeko-Tex® Class 1, ensuring the materials are safe for baby use. The sleeve provides both thermal insulation and impact protection while maintaining easy access to the bottle during feeds.