nThe Philips Avent glass bottle sleeve helps keep baby's feed either warm or cool.nThe Philips Avent glass bottle sleeve provides shock resistance to help protect your bottles.nThe opening in the Philips Avent glass bottle sleeve, means you can easily read the scale during your baby's feed.nThe Philips Avent glass bottle sleeve is machine washable at 40° Celcius.nThe Philips Avent glass bottle sleeve is Oeko-Tex® Class 1 certified - safe for babynThe Philips Avent glass bottle sleeve fits 4oz/120ml Philips Avent Natural glass bottles.nThe Philips Avent glass bottle is available in 2 colours: vanilla/grey and blue/vanilla.<br>