The Sleep Yoga Side Sleeper Arm Rest Pillow is a thick and comfy cushion that allows you to rest your whole arm while side sleeping to help keep your shoulder joints aligned while side sleeping. The cushion helps avoid shoulder slouching & forwarding, naturally reduces pressure on the elbow, wrist, and hand and, let's be honest, we all need a nice hug from time to time. Each Sleep Yoga® Posture pillow was designed with the help of a Chiropractor and is made in Southern California using a specially blended polyester fiberfill Made in the U.S.A. These pillows are covered with a blended fabric of Cotton and Coolmax blend, making them soft, refreshing, resistant to wrinkles, and very strong when wet or dry. Each pillow is 100% Hypoallergenic and machine washable and dryable on a low setting for easy care. The result is a sleep product with the quality and benefits you have probably never seen nor experienced before. -Cotton blend fabric that is soft and cool. -Filled with blended polyester fibers for maximum support. -Ideal for side sleepers -Machine washable for easy housekeeping. -Fabric: 80% cotton 20% polyester Coolmax. -Fill: 100% Polyester 16 in x 24 in Domestic Material & Care Cotton Machine washable