- Cotton sleep sack adorned with heart embroidery - TOG heat index 2.5 suitable for rooms with temperatures between 16 and 18°C / 61 and 64°F - Opens with a side zipper and snap buttons on the shoulders - The sleep sack is available in two sizes: - Size 0-6 months: 68 cm / 26.8 in - Size 6-18 months: 88 cm / 34.6 in