Rayon Made from Bamboo 1.0 Tog Baby Sleep Sack Newborn Sleeping Bag Sack 2-Way Zipper Checkered Infant Wearable Blanket 18-24 months New unopened About this item 【Skin-Friendly & Breathable Fabric】- Our baby sleep sack blended 95% rayon made from bamboo and 5% spandex. blend delivers cloud-like softness for delicate baby skin. Moisture-wicking technology ensures all-night dryness, while 1.0 TOG lightweight material adapts to nursery temperatures (21-23°C/69-73°F). Hypoallergenic and irritation-free, ideal for sensitive skin. 【Sleep-Safe Certified Design】- Our breathable newborn sleep sack offers the great balance of safety and comfort. Replacing loose blankets to eliminate suffocation risks. The sleeveless design follows safe sleep guidelines, ensuring comfort whether they're curling up tiny or stretching out. 【Parents Friendly Two-Way Zipper Design】- This infant sleep sack features a two-way zipper, allow effortless diaper changes without removing the sleepsack. Hidden zipper head prevents pinching – nighttime care completed in 10 seconds, minimizing sleep disruptions.