100% Cotton Imported 100% Organic Cotton: Crafted from 100% organic cotton and featuring four layers of soft cotton muslin, this toddler sleeping sack has a 0.5 TOG rating that delivers warmth while promoting breathability, making it ideal for year-round use. The muslin material is more breathable and softer than knit fabrics, ensuring a peaceful and comfortable night's sleep for your baby Washing Instructions: To keep the sleeping sack soft and comfortable, we recommend hand washing, but it is also machine washable. Please do not use bleach, fabric softener or harsh chemicals on the muslin sleeping bag. Avoid excessive heat when washing or drying as this can damage the fabric and cause shrinkage Safe and Simple Design: The double-way zipper(YKK) design facilitates easy dressing and diaper changes, and the safety tab safeguards your baby's delicate chin. The roomy sack design provides greater mobility for better sleep, and the sleeveless design helps prevent overheating Size: This organic-cotton sleep sack measures 39 in (≈100 cm) in length and is designed for toddlers age 2–4 years. Best for height 35.5–41.5 in (90–105 cm) and weight 29–40 lb (13–18 kg). Because the fabric is hand-cut and measurements are taken manually, please allow a small tolerance of ±0.4–0.8 in (±1–2 cm). For the most accurate fit, please refer to our sizing chart At TADO MUSLIN, we’re committed to uncompromising quality. Our organic-cotton sleep sacks are certified to OEKO-TEX STANDARD 100—independently tested for a wide range of harmful substances. Every bag is hand-inspected before it ships. For peace of mind, we back your purchase with a 90-day money-back guarantee and a 1-year quality warranty, and our 24/7 customer support is always here to help WHY IS COTTON MUSLIN A GOOD CHOICE? Made of 100% Organic Cotton, 0.5 Tog Muslin Cotton, 4 Layers Muslin. Completely close to the baby's skin, soft, lightweight, wear-resisting, absorb sweat and breathable, gets softer with every washing. Safe and healthy, no pollution, no skin stimulation, not easy to have allergy. WHY DO YOU CHOOSE TADO MUSLIN? Easy To Use: Easy to wear, Easy to Change Diapers. While your baby is sleeping, don’t worry about disturbing him. Perfect Size: Only for the healthy growth of your baby. Our sleeping bag doesn’t restrict baby’s movement freely. We have four sizes: 70# Clothes Length 70cm, Baby Rise Height 22"-26", Age 3-6 Months 80# Clothes Length 80cm, Baby Rise Height 26"-30", Age 6-12 Months 90# Clothes Length 90cm, Baby Rise Height 30"-34", Age 12-24 Months 100# Clothes Length 100cm, Baby Rise Height 34"-38", Age 2-4 Years Replace traditional blanket and sheet: No additional covers are required when you use our sleeping bag. Our sleeping bags eliminate the problem of your baby kicking off their covers. Prolonging sleep time, constant temperature overnight. Double Ways Zipper With Safety Tab: The design of two-way zipper (YKK) makes diaper change easier. The unique inner lining design prevents the zipper from squeezing into the baby's skin during the operation of the zipper. You can quietly change his diaper while the baby is sleeping without disturbing his sleep. LOOSE DESIGN AT THE BOTTOM: The widened design at the bottom of the sack makes the baby's activities more free. So your baby stays warm all night. When your little one is awake, our sleeping bag can provide greater mobility for your baby. HOW TO CARE FOR COTTON MUSLIN? Hand wash recommended. Wash with warm water below 40°C. Not chlorine bleaching.