The nursing bottle bag is made of high-grade material. It can hold your baby's milk bottle. Durably constructed with insulated lining, keeps your baby's milk fresh by maintaining the right temperature for hours. It can on bag or buggy or stroller with its handy strap easily. Features - Color: Assorted Color - Material: Cloth - Size: 24.00X12.00X1.50cm/9.43X4.72X0.59in - Convenient and practical, because the baby can drink hot milk in time even when traveling. - The inner layer can effectively lock the temperature, and can keep the heat for about 3-4 hours. - Built with a handle on the side of the bag, can attach it to your baby stroller handle or portable around you. - A perfect helper to keep the milk fresh when go outing, no longer worrying about baby will hungry outside. - Can also hold your water bottle, it is great to drink warm water in such a cold weather. Package list: 6 x bottle covers