【All-around elastic】With 360-degree elastic on the back, it won't slip even if you toss and turn, and it's easy for women to put on and take off. 【OK for thick mattresses】It fits mattresses up to 30cm thick, so it's compatible with mattresses from various manufacturers. 【Polyester fabric】You might think of polyester for bedding, but polyester fibers are strong and tear-resistant, so they don't easily produce lint and are recommended for people with allergies. This item was used for a few weeks and is no longer needed. It has been washed. It will be compressed for shipping. Material: Polyester Size: 120x200cm #Sheets #White #SemiDouble ・We try to ship within 2 days of receiving the purchase notification, but purchases made on the eve of holidays or on the day of a holiday may be shipped within 2 days from the following day. Please consult with us in advance if you need it urgently.