Fabric: cotton Size: about 47*67cm, suitable for babies aged 0-6 months. 1. Loose blankets may cover babies' faces and inhibit their breathing ability, so we have created wearable blankets as a safe and comfortable bedtime option to prevent this potential safety hazard in babies' sleeping space. We have designed a comfortable and lightweight sleeveless sleeping bag to keep your little boy warm and comfortable, while reducing the risk of baby overheating. Our sleep solutions help to promote a longer and healthier sleep, while ensuring the safety of your baby. 2. Fine workmanship, intimate hemming design to prevent the zipper from resting on the baby's delicate skin. 3. Invert the zipper, which is not easy to be opened by the baby and won't clamp the baby's chin. At the same time, it is convenient to change diapers. You can change diapers without disturbing your baby's sleep. The operation is simple, convenient and easy. 4.Care: Before using the new product, it is recommended to rinse it with clear water to remove floating hairs on the surface; The washing water temperature should not exceed 30 (high temperature soaking will destroy the fiber structure); Can not be dry-cleaned, ironed or bleached; It should not be used for a long time, so it should be washed frequently in Ying Qin.