A five-chamber structure and ethically sourced down make this pillow a must for airy comfort and support all night long. 18" x 26" Standard; 18" x 34" King 2" gusset 100% cotton outer shell; 100% polyester inner panels; 80% white duck down, 20% feather outer chamber; 60% white duck down, 40% feather inner chambers Certified to the Responsible Down Standard (RDS) by Control Union Machine wash, tumble dry Imported