Little ones will be cozy and stylish when they're snug inside our Cotton Muslin Sleep Bag Light Blue With Printed Romantic Flowers. In lightweight fabric with an allover floral print, this sleeveless sleep bag features a round neckline, a rounded hem, and an asymmetrical zipper closure. This sleep bag is designed to be used in a room temperature between 16°C and 25°C. TOG 1. 100% Muslin Cotton. Designed in Canada.