Purchased two years ago. Washable and easy to wipe clean. I think it's very convenient. For airplanes, bullet trains, hotels, indoors, and your own car. How about using them as car slippers? 【Sizes】 Listed as indicated at the time of purchase ◦ Blue: XL (28cm) ◦ Pink: S (24cm) 【Material】 EVA ※ The characteristics of EVA material are as follows: Lighter and softer than polyethylene Excellent elasticity (cushioning) Does not contain harmful substances and does not produce dioxins when burned Resistant to degradation even when exposed to wind, rain, and ultraviolet rays Does not harden easily even in cold places Water-resistant Washable Thank you.