Purchased around summer 2023. I used it once, but the height didn't suit me, so I'm putting it up for sale. Comes with a dedicated pillowcase. Large size. Please understand that this is a used item before purchasing. I will compress it and ship it in a separate box. ● Perfect for side sleeping. Comfortable for back sleeping as well. ● Structure that reduces stress on the body when sleeping on your side and maintains a natural posture. ● Shape designed for comfortable side sleeping. ● Height adjustable 3-layer structure allows you to change the height to your liking (includes 2 sheets of 3D Russell structure). ● Antibacterial and deodorizing treatment (cover) ● Deodorizing treatment (cover) [Ammonia, acetic acid, isovaleric acid] ■ Pillow height: Adjustable ■ Pillow firmness: Firm