This cotton coil is an attractive alternative to conventional perches it can be hung from the top of the cage with a screw and have its length varied by twisting the wire core the coil features a bell at the bottom for playing the colour may differ from illustration make sure you pick the perfect size of rope coil for your pet bird by using our sizing guide below exact measurements may vary but use this as a guide for choosing your bird the new perfect distraction size guide size s dime