Symbia 23° Ergonomic back wedgeInnovative and high quality conception Thermoregulative memory foam Optimum comfort and stability Made in Canada by posture specialists CertiPUR US & FDA Registered Medical Device Medium incline support: Dimensions and angles tested to provide a comprehensive reclined position. Optimized for back sleepers Designed to balance pressure along the spine and improve back sleeping. Moderate symptoms relief Helps with moderate digestive and respiratory