70% Rayon from Bamboo and 30% Cotton Imported 70% Rayon and 30% Cotton Sleep Sack: This fabric is made from viscose made from 70% Rayon and 30% Cotton. This warm sleeping sack is filled with 100% recycled polyester fiber filling and washed cotton with a 2.5 TOG rating for an ultra-soft and cozy feel, making it perfect for cool and cold conditions. The muslin material is more breathable than knitted fabrics, providing a comfortable sleeping environment for your baby. Safe and Easy Design: The sleeping bag features a 2-way YKK zipper for easy dressing and nappy changing and a safety flap that protects your baby's chin. The roomy pouch design allows babies to move more freely and sleep better, while the sleeveless design reduces the risk of overheating. Size and Patterns: The sleeping bag is 39" long and suitable for 2-4T toddlers. Please refer to the size chart for more information. For both boys and girls, we offer three patterns to choose from: rhinoceros, cars, and small fish. Suitable warmth for your baby in room temperature between 61℉-68℉. TADO MUSLIN: We are committed to providing only the highest quality products and guarantee that no harmful substances were used in the production process. Every sleeping bag is thoroughly inspected to ensure quality and safety. For your peace of mind, we offer a 90-day money-back guarantee and a 1-year quality guarantee, and our 24/7 customer service team is always available to assist you. Why is Cotton Muslin a Good Choice? Made of 70% Rayon and 30% Cotton in a 2.5 Tog Muslin Cotton blend, this fabric is very close to the baby’s skin, offering softness, lightweight, durability, and breathability. It absorbs sweat and becomes softer with each wash, ensuring safety and health for your baby. Why Do You Choose Tado Muslin? 1. Easy to Use: It’s designed for convenience with easy wearability and diaper changes, so you can tend to your baby without disturbing their sleep. 2. Perfect Size: Tailored to support the healthy growth of your baby without restricting their movements. The sleeping bag’s length is 100cm, suitable for babies who are 34”-38” in height and aged 2-4 years. 3. Replaces Traditional Blankets and Sheets: There’s no need for additional covers with this sleeping bag, addressing the issue of babies kicking off their covers. This feature helps maintain a constant temperature throughout the night, promoting longer sleep times. 4. Double Ways Zipper With Safety Tab: Equipped with a two-way YKK zipper to simplify diaper changes. Its unique design prevents the zipper from coming into contact with the baby’s skin, allowing for quiet diaper changes that don’t disturb your baby’s sleep. 5. Loose Design at the Bottom: A widened design at the bottom of the sack ensures your baby’s movements are unrestricted, keeping them warm throughout the night and allowing for greater mobility when they are awake. How to Care for Cotton Muslin? It is recommended to hand wash in warm water below 40℃ and avoid chlorine bleach to maintain the quality and longevity of the muslin fabric.