NATURAL GRAPEVINEEach of our bird perches is made from natural, wild grapevines, providing pets with a natural and safe standing wood.Due to its natural material, each perch is unique, and is not exactly the same shape or size.SIMPLE INSTALLATIONEach grapevine branch is fitted with a metal wing nut and built-in bolt.Easy to install, no need for other tools, can be very stable on the bird cage.SIZEThe length of our grapevine branches are about 9 in. The diameter at the bottom of the branch is about 0.7-1.1 in.Our perches are handmade from natural materials.Each branch of a grapevine is not replicable.Different diameters also give your bird's feet a better workout.PROVIDE PLACES FOR BIRDS TO PLAYThe surface of the branch is not smooth, which makes it easier for a bird's feet to cling to it, making it less slippery and giving it practice in its footsteps and sharpening its claws.CAN BE CHEWEDIt satisfies the bird's natural need to chew. Without paint, it is non-toxic and harmless. It also reduces pet aggression and loneliness, keeping the bird stable and happy.