Outer fabric is 100 Cotton Inner fabric panels are 100 polyester Fill inside is white duck down and feather Combining breathability with support our 100 down pillow is filled with highquality ethically sourced down for natural luxurious comfort The 2 gusset along the side provide better neck support and aid in spine alignment Machine Washable for easy care When its time for a fresh start just toss it in the washer and dryer then give it a fluff