Little Unicorn - Our sleep bags are designed to make sleep safer and more comfortable for your baby. The lightweight and breathable cotton muslin helps prevent overheating and allows baby to move naturally. Included are parent-loving features like a two-way zipper for easy nighttime diaper changes, and machine washable cotton muslin that gets softer with every wash. Size Baby Weight Baby Height Baby Age Small 10-18 lbs 23"-26" 0-6 month Barely used, like new will send with coordinating hanger Washed in cold water with unscented gentle detergent