Attract & Capture: Dandy Tori Hitsuji (Dust Mite Catcher) Effective Period: Approximately 180 days [New & Unopened] Will be sent unopened. ◾️ Price for a set of 2. Just place it, and the three-dimensional fluffy material will firmly catch them! Inside bedding, in closets, in sofa crevices, under carpets, etc. During this time of year when it's difficult to sun-dry things, how about using this as a dust mite countermeasure? One can provide protection for about half a year. [Shipping Method] We will take measures to prevent water damage and ship via Mercari's anonymous delivery service with simple packaging.