【NON-TOXIC & SAFE】No chemicals and use strong non-toxic and odorless adhesive, very safe for humans and animals. 【Clean and Transparent】The window fly trap sticker adopts a transparent design, which does not affect the transmission of window light at all and is not easily discovered by flies. 【Easy to Use】Tear off the thin plastic paper, stick the product on a window or other flat surface, then peel off the plastic paper on the other side, very convenient. 【Effective Adhesion】The window fly traps are equipped with a thick adhesive, ideal for catching houseflies, mosquitoes, gnats, and many other annoying flying insects. Once trapped, they have no way to escape. 【Value Set】 You will receive 60 adhesive strips in sufficient quantity and variety to meet your needs. Each measures approximately 21 x 7 cm.