Instant purchase is welcome. This is a set of: - Muji's "Just Place" Dust Mite Trapping Sheets (3 sheets) - Space-use Dust Mite Repellent Spray Retail Price: "Just Place" Dust Mite Trapping Sheets (3 sheets) ¥1,290 Space-use Dust Mite Repellent Spray ¥1,690 Total ¥2,980 Purchased at Muji. As stated on the bottom left of the back, this is a product of Earth Corporation. How about for dust mite対策? Insect control, pest control, cleaning supplies, cleaning goods Thank you for looking.