Single size The elastic is stretched out on all four sides. I bought this at 3COINS several years ago, but it wasn't 300 yen. It's not written anywhere, but I bought it because it's a cool-touch material. I only used it in the summer, but the care label has faded. There are areas that were sewn together from the beginning. Ocean motif light blue fitted sheet, made by MR. MEN LITTLE MISS. - Design: Ocean motif pattern - Color: Light blue - Brand: MR. MEN LITTLE MISS Thank you for looking.