SOFT & BREATHABLE: Our toddler sleeping bag are made from a 97% bamboo fibre and 3% spandex blend for soft and flexible texture, Provides baby with a comfortable, silky touch.1.0 TOG FOR ALL SEASIONS: Our sleep sack for 0-18 months is 1.0 TOG and is perfect for all seasons room temperatures ranging from 68-75°F/20-24°C!THOUGHTFUL & SAFE DESIGN: The sleeping bag for baby with the practical two-way zip makes dressing and nappy changing a breeze. Zip up from the top for sleeping and down from the bottom for nappy changing. Equipped with a zipper protector on the inside and top so your baby won't scratch.ROOM TO GROW AND PLAY: Our baby sleep sack is good for everyday use, helping baby sleep longer and more restfully. There is extra leg room for baby to kick freely to promote the development of baby's hips, and there is room to grow to accompany baby's healthy development.EASY CARE & DURABLE QUALITY: Our baby sleeping bag is machine washable and dryable, easy to care for and very durable for long lasting quality. There are no rough edges or loose threads to detract from its lasting comfort.