These are Waterproof and easy to clean: Wipe with a soft damp cloth for food and drink.Helps keep kids healthy from germs,bugs and bacteria Soft, elastic, and slip resistant. Patented cushioning and embossing protect kids from hard impacts on the ground It protects children from hard floor surfaces, protecting wrists and knees from potential impacts and injuries from crawling, standing up, and falling.Simply lay it out in bedrooms, living rooms, play rooms or any area for the playing times . Reusable, durable, fashionable, practical, nice multiple-design.