The Moon Toddler Pillow Provides Maximum Support To Help Your Toddler Sleep Comfortably. The Airflow Treated Open-Cell Memory Foam Absorbs And Distributes Weight Evenly. As Part Of Moon, The Toddler Pillow Comes With A Hypoallergenic Fitted Cover, Made Using Rayon From Bamboo Fibers, Which Are Soft And Gentle, Keeping The Pillow Cool And Comfortable. Made With Low Density Memory Foam To Cradle Babies Head Delicately And With Maximum Support To Help Prevent Flat Head Syndrome Which Can Result When A Baby'S Head Rests On A Firm Surface. Perfect Size For Toddlers' Comfort & Support. Hypoallergenic Fitted Cover Made Using Rayon From Bamboo Fibers. Airflow Treated Open-Cell Memory Foam Is Breathable. Stays Cool & Adapts To Room & Body Temperature. Bamboo Fabric