In the Breeze Item #9065 —51" Rainbow Mylar Windsock. This FUN AND COLORFUL sparkly windsock is an eye-catcher! The windsocks are 4 Inches wide by 51 Inches long. This hanging decoration is a great way to ADD A SPLASH OF COLOR in your garden, yard, deck or porch. Each is made with gradient rainbow, colorful, reflective, holographic Mylar ribbon strips, connected to a Mylar band. This material will produce EVER-CHANGING COLORS AND PATTERNS. NO ASSEMBLY is required, the windsock comes ready to hang, and enjoy, with an attached snap swivel. Reflective Mylar is often used as a BIRD REPELLANT AND FOR SCARING NUISANCE ANIMALS. At the same time, the bright colors these windsocks reflect can attract butterflies and hummingbirds.