What materials are used in the Birch Organic Pillow? March 14, 2025 21:51 Updated The Organic Pillow is made with an organic cotton shell. It contains 70% organic latex and 30% natural wool clusters. Related articles How do I wash my Organic Pillow? What Are The Dimensions Of Standard And King Organic Pillows? What materials are in the Birch Plush Organic Mattress Topper? Can I return my Organic Pillow? Why do I need a mattress protector?