JLWGB-M Color: Green Birds JJ Cole"s Wearable Blanket eliminates the need for dangerous loose blankets in the crib while keeping baby covered and warm throughout the night. Zipper opens from bottom to top, making it quick and easy to change your sleeping baby. Features: -Wearable blanket. -Material: 100% Cotton. -Sleeveless design fits over regular sleepwear. -Machine washable.