MUJI (Mujirushi Ryohin) Cooling Fitted Box Sheet SD-D (Semi-Double - Double) For 120-140 x 200 x 18-28cm Beige Product Number 83774356 For Summer Color: Beige Cool and comfortable to the touch. Unused, but I washed it once intending to use it. I bought it last year and completely forgot about it, so it's unused. Please refrain from purchasing if you are overly concerned about details. Thank you.