Bird-B-Gone MMTBG 10 oz Transparent Bird Repellent Gel Tube - Quantity 4 Quantity of (4) tubes - Bird-B-Gone MMTBG 10 oz Transparent Bird Repellent Gel Tubes Keeps Birds From Landing & Nesting Non-Toxic To Birds & People Creates a Sticky Surface Which Is Uncomfortable To Roosting Birds Virtually Invisible, Super Fast & East To Install With Caulking Gun