Description: Our flash tape is made up of quality reflective material. It is Eco-friendly and is harmless to birds. These tapes are most effective when exposed to sunlight such as on your balcony or garden. The reflectiveness will annoy the birds eye-sight and when these tapes are exposed to wind, they will make a threatening sound to keep the birds and animals away. Roll Length: 100ft How To Use: Simply cut strips of flash tape and tie around tree branches or windows, siding, railings, decks, posts, garden fences, and any location needed to scare away birds; FREE SHIPPING!