This sleeping bag is basically a baby-safe sleeping bag, a bilateral warm shoulder and a flexible zipper that keeps the baby comfortable during sleep. Comfort: From soft, breathable, smooth fabrics to well-designed sleeve sizes, we strive to provide you with the comfort you need. Our products adjust the temperature for optimum comfort and keep your child warm and comfortable. Simplicity: We know that everything we do is worth making our parents' lives easier. A perfect example is our stylish double zipper. They tighten from top to bottom or from bottom to top, which means that changing the diaper is not easy. Life is very busy, we have seen you. Safety and security: Baby safety is our number one priority. Sustainability: Our products are made in an ethical and responsible manner. In this way, we are able to produce the softest products while ensuring your child grows in the green world. Product specifications: Product Name: Shoulder-proof kick-proof sleeping bag. Fabric: Surface cotton cover (washable). Quilted cotton: long-staple cotton. Product size: 65cm*100cm (0-3) years old, 75cm*120cm (0-6) years old, 80cm*150cm (5-12) years old. Washing instructions: The product cover is recommended for hand washing and the inner tank is not washable.