【Cooling Effect】 This Cool Solty Mat lasts for about 3 hours, making it perfect for hot summers. 【Size and Adaptability】 The M size (approx. 90 x 90cm) includes a pillow size of approximately 30 x 40cm. It comes with fixing rubber bands to prevent slipping during use. 【Material and Design】 Made with satin fabric for a comfortable feel. It's also convenient to store and easy to carry. - Size: M size: approx. 90 x 90cm - Pillow size: approx. 30 x 40cm (with fixing rubber bands) - Cooling effect: Cooling duration: approx. 3 hours - Material: Satin fabric - Usage: Convenient storage - Product name: Cool Solty Mat I have used it a few times, so there is a feeling of use. Thank you for looking.