The Tommee Tippee® Easi-Warm Bottle and Food Warmer warms feed up to body temperature to create a more natural experience for young babies. Simply select the type of container plastic glass or silicone volume and starting temperature and the warmer automatically works out the optimum warming time.Key Features:Warms baby milk in just 4 minutes *Gentle warming helps preserve essential nutrientsFits most brands of bottles and food jarsWarms breast milk formula and baby food to body temperature without overheatingTwo temperature settings to warm from fridge or room temperature plus keep warm setting.BPA free* Warming times depend upon capacity and starting temperature of feed. Warming time of 4 minutes is based on heating a 150ml serving of milk from ambient room temperature (20°C).