Material: Front side - Felt; Back side - Non-slip rubber. Dimensions: 70 * 60cm. Non-toxic, odorless, non-variant, non-sticky, washable, machine washable, non-fading, wear-resistant, non-toxic. does not age. Cleaning: suitable for hand washing or machine washing. If there is dust after long time use, please use a vacuum cleaner. Floor mats are suitable for bathroom, living room, front door, bedroom, kitchen , hallway, balcony, office, etc.