Considerate Zipper Design: The zipper protection strip prevent the zipper from rubbing against the baby's skin. The Two-Way Separating Zipper are easy for you open from the top for easily placing the baby in sack and open from the bottom for diaper changes without disturbing.
Allow Your Baby to Stretch His Legs Freely：The design of widening hem allows room for kicking but cannot be kicked off, so baby stays warm and safe all night.
2 in 1 Baby Sack For Sleep:The Sleep bag are design with removable bottom hem. It can be use as a wearable blanket for infant. As time goes by, it can be changed into separate legs sleepsuit for toddler.
4 Layers Super Soft and High Density Muslin Baby Sleep Sack: The sleeping bag are soft, gentle and comfortable on baby's skin. TOG rating of 1.0 is the best for temperature of 76-80 degrees F (the recommended sleep environment range).
Long Time Extender Use Age: SMALL Suitable for age of 6-12 month, height of 60-80cm, body weight of 15-34lb. MEDIUM Suitable for age of 12-18 month, height of 75-90cm,body weight of 22-28lb. LARGE suitable for age of 18-24 month, height of 86-100cm, body weight of 26-35lb.
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