Brand: e-Smile Color: Standard Edition Style: Casual Material: Urethane Product Dimensions: 12.2 length x 2.4 width x 18.5 height cm Item Weight: 0.1 grams Product Size (W x D x H): 122mm * 24mm * 185mm Country of Origin: Japan Contents: 4 sheets Brand Name: e-Smile e-Smile Sayonara Danny 3D Dust Mite Trapping Sheet is most effective when placed under futons. Reasons for placing it under futons: • One of the places where dust mites are most likely to live is around futons. • It perfectly suits the habits of dust mites that prefer dark and warm environments. • Reviews also include voices that actually feel the effect, such as "The itchiness of my body disappears when I put it under the futon." Other effective installation locations: • Under carpets and rugs • Under bed mattresses • In the gaps of sofas • Inside closets and wardrobes Usage Notes: • Install as is, without taking it out of the black bag. • Replace approximately every 2 months. • Not effective against blood-sucking mites (e.g., ticks).