The Tommee Tippee Closer to Nature Portable Travel Baby Bottle Warmer is a convenient and stylish accessory for parents on the go. This bottle warmer is made of Stainless Steel and is Phthalate Free, ensuring safety and durability. Its portable design makes it easy to use while traveling, and its compact size fits seamlessly in your diaper bag. The Tommee Tippee brand is known for quality products, and this warmer is no exception, providing a reliable and efficient way to heat your baby's milk or formula while you're out and about.