Thank you for viewing. Your strong ally during the season when you're concerned about dust mites! "Danisal W Power Sheet" is a convenient item that allows you to easily take measures against dust mites simply by laying it down or placing it. It has a double effect of capturing and repelling with its W power. It's very useful in various places such as futons, beds, closets, sofas, and car interiors. Material: Polyester 70%, Cotton 30% It doesn't increase dust mites and also reduces allergens caused by dust mite feces and dead bodies.