Build A Pillow - Designed With You In Mind, Create Your Own Comfort Zone, Removable, Interchangeable Core, Down Alternative Pillow, King Size An innovative design in a customizable sleeping pillow thats designed with you in mind to create your own comfort level This down alternative pillow includes a smaller removable/interchangeable down alternative pillow insert thats accessed through its unique zippered inner pocket design. Feather insert available for optimal firmness. In an assortment of sizes. Imported 100% cotton fabric cover, polyester microfiber filling. Hypoallergenic BE SURE TO CHECK OUT OUR OTHER GREAT PRODUCTS!!