[Product Features]Size: 3.1 x 3.8 Inches. Target Species: Fly, Fruit fly, , gnat, mosquito etc.. [Suitable Devices]These sticky cards are compatible with models SH502 and DT3005W. The color scheme blends perfectly into the background for your comfort. [High-End Quality Glue]Made to be long-lasting, our glue is extraordinarily sticky. Upon touching the board, the flying insect has basically no chance of escape. [Non-, Odorless, and Safe]The materials used are all safe for pets and kids; there are no smells of adhesive or plastic, and it is completely safe to have around . [Economic Pack]One pack with 24 cards. and worth every penny. Colour:blue Material:Paper Size:9.68 x 7.98cm Package Contents: 24 x Sticky Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.