- Cotton sleep sack adorned with heart embroidery - TOG 2.5 warmth rating suitable for rooms with temperatures between 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: 26.8 in / 68 cm - Size 6-18 months: 34.6 in / 88 cm - Certification and guarantee: Oeko-Tex Standard 100 Class 1 certification