JellyBeadZ Brand is A #1 Seller on Amazon 100% ALL NATURAL GRAPEVINE: Approx 9' long, These bird perches are made out of real grapevine! This means every one of our perches is unique in shape, thickness and size. SAFE & EASY TO INSTALL: Since they are made out of natural grapevine, these bird cage perches are super safe for all types of birds, including Small parrots, Cockatiels. Conures. parakeets and so on. BUILT-IN WING NUT & BOLT: Each grapevine bird perch is fully outfitted with a metal wing nut and a built-in bolt. No extra equipment is required for installation and the perches deliver a secure hold. EXERCISES & ENTERTAINS: Offering a naturally uneven surface, our grapevine perch challenges your parrot as he or she gets in some leg and foot exercise.