DescriptionThis bottle thermal bag is made of polyester material, safe and durable for long time using. Durably constructed with insulated lining, keeps your baby's milk fresh by maintaining the proper temperature for hours. Light weight and proper size, it can install on bag or stroller easily.Features- Color: As Shown -Material:Polyester - Size: 26.00X18.50X5.00cm;/10.22X7.27X1.97in; -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 and buckle on the side of the carrier, can attach easily to your baby stroller handle or carry it with 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.