• Breathable material suitable for baby's fragile, sensitive or eczema skin • Quilted inside to prevent the inner-lining from bunching up • Features a double zipper • Top zipper has an enclosure for added safety • Promotes hip development and prevents hip dysplasia Sleep Bags are a safe alternative to a blanket in the crib and helps reduce the risk of SIDS. Our sleep bags are made of 97% Rayon Made from Bamboo so it feels buttery soft and breathable. It features a J-shaped double zipper, making night time diaper changes a breeze. At 1.0 TOG, it's the ideal warmth year-round. Recommended for nursery temperature of 21 - 23 °C / 69 - 73 °F Soft gray sleeping bag by Kyte BABY. Ideal for cozy sleep.