*Multifunction: It can be used as fire escape ladder, indoor and outdoor climbing rope ladder for adults and kids, rope ladder for tree house....... *It is lightweight and is put in a bag, easy to store and carry. *Reusable. It can be used for many times if it is not damaged deliberately. *Easy to use. Two carabiners were attached to each ladder, you just need to attach them to balcony railing or any other supports.