Purchased around summer 2023. I used it once, but the height didn't suit me, so I'm selling it. Comes with a dedicated pillowcase. Large size. ● Perfect for side sleeping. Comfortable for back sleeping as well. ● Designed to reduce strain on the body when sleeping on your side, maintaining a natural posture. ● Shape designed for comfortable side sleeping. ● Height adjustable with a 3-layer structure, allowing you to change the height to your preference (includes two 3D Russell structure sheets). ● Antibacterial and deodorizing treatment (cover). ● Deodorizing treatment (cover) [ammonia, acetic acid, isovaleric acid]. ■ Pillow height: Adjustable ■ Pillow firmness: Firm