Bring a touch of playful simplicity to a slumber party with this warm and cosy sleeping bag from Aden + Anais. Featuring a fun owl print and made of 100% cotton muslin, its four layers are sure to keep little ones warm throughout the night. Aden + Anais cotton muslin sleeping bag mediumZip fastening Four layers of cotton muslin, gets softer with every wash, owl printMachine washable Size: Medium. Color: Night. Age Group: Infant. Material: Cotton.. For the birds sleeping bag - medium, Black/Yellow