Portable Baby Bottle Warmer 3 Levels Constant Temperature Warming for Breastfeeding Night Feeding Daily Use Travel Compact size and foldable design, easy for storage and carrying, a nice helper for daily feeding, night feeding, and travel. Made from premium PU leather, no chemical smell, secure to use, a practical item for baby feeding. With adjustable fastener, size of the bottle warmer can be adjusted, suitable for milk bottles within 5.5-8cm (diameter). 65℃, 55℃, and 45℃, maintaining more nutrition for baby. USB supply, easy to get powered through AC adapter, laptop, desktop, and bank, convenient and flexible to use. Note： The milk bottles showed in the pictures are not included. Specifications： Product Weight: 100g/ 3.5oz Input: 5V 2A Color: Green, , blue, grey, brown (optional) Material: PU Product Size: 29 * 13cm/ 11.4 * 5.1inch Package List： 1 * Bottle Warmer With adjustable fastener, size of the bottle warmer can be adjusted, suitable for milk bottles within 5.5-8cm (diameter). USB power supply, easy to get powered through AC adapter, laptop, desktop, and power bank, convenient and flexible to use. Compact size and foldable design, easy for storage and carrying, a nice helper for daily feeding, night feeding, and travel. Made from premium PU leather, no chemical smell, secure to use, a practical item for baby feeding. Constant temperature heating, 3 levels of temperature adjustable: 65℃, 55℃, and 45℃, maintaining more nutrition for baby.