The HALO SleepSack Big Kids becomes a trusted bedtime routine, providing the protected feeling your child needs to go to sleep fast and sleep soundly all over the night. This is a warm cuddly blanket they can not kick off; making sure little ones sleep well and stay covered all over the night. With its unique foot openings, the SleepSack Big Kids wearable blanket allows for greater mobility whilst children are awake, but additionally assists in keeping little feet covered and warm whilst sleeping. Use over regular sleepwear to take the place of loose blankets. one hundred% polyester lightweight knit. Meets federal regulations for children’s sleepwear. Size 4/5T fits 40-46″ tall.