!! Please read the profile before purchasing to prevent any trouble !! Please note that the item may be sold out as it is also listed on other flea market apps. I haven't used it much. I probably haven't used it even five times. Product Description Height adjustment sheet included to fill the gap in your lower back (with futon or mattress) when sleeping, alleviating lower back pain and discomfort upon waking. Color: Gray Body size - Width (cm): 70 Body size - Depth (cm): 23 Body size - Height (cm): 5 Zipper material: YKK zipper Washable: Cover washable Tumble drying: × Dry cleaning: × Fabric: 56% cotton / 37% polyester / 7% polyurethane (knit 230g/square meter) Inner bag: 93% polyester / 7% polyurethane (knit 120g/square meter) Filling: Urethane foam Country of origin: China Weight: 0.44kg