Compact and Portable: the bat exclusion reusable tool is compact and , measuring approximately 5.7 x 2 inches, making it easy to carry and install; Plus, its design can bring less burden on the structure of the area it is installed in, ideal for those who are looking for a low impact solution to their bat problems plastic Material: mainly made of plastic, our bat exclusion device is built to last, to wear and tear, making it an ideal choice for long term use, ideal for both indoor and outdoor use Easy to Install: the bat tube is easy to install in just a few simple steps; It is recommended that the installation be angled downward, preferably more than 60 degrees for a better exclusion effect, making the bat leave the structure through the cone as quickly as possible Wide Range of Applications: this bat trap can be applied in a variety of settings, including residential and commercial properties; It's ideal for attics, crawl spaces, sheds, garages, and other enclosed spaces where bats like to roost, and you can use U type nails, silicone, or tapes (not included) to fix the cones, preventing the bats from back Note: the installation angle should be 60 to prevent bats from flying in again Color: White Material: plastic Package Contents: 4 Pcs x Bat Exclusion 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.