With a Grobag Baby Sleep Bag you know that every element has been carefully designed and tested to the highest standards of safety, reliability and comfort. Made from 100% pure cotton, its soft and kind to babys skin. The addition travel functionality means the sleeping bag will fit a 5-point travel harness when youre on the go so they stay safe at all times. This bag has a 0.5 tog rating, perfect for Summer and Daytime naps, (warmer weather and in rooms of 21-23c). Included is a free nursery thermometer and user guide so you can easily monitor your little ones temperature. Recommended by The Lullaby Trust.