【Hand Wash/Machine Wash OK】Washable and ready to use immediately, even if it gets dirty! A 3-generation diatomaceous earth mat that keeps things clean! 【Absorbency】Uses high-quality diatomaceous earth. Excellent absorbency and humidity control keep your feet feeling dry and comfortable! 【Excellent Usability】Thin design that doesn't take up much storage space! Non-slip layer prevents slipping!