※Edited 3/24: It was a Queen size, not a semi-double!※ This is a gray, polyester quilted box spring sheet, Queen size, offering comfortable bedding. - Brand: COYOLI - Size: Queen - Color: Ash Gray - Material: Polyester - Design: Quilted It's a premium antibacterial type. I bought it as a spare, but I didn't use it. It's been stored unopened. Thank you for looking.