The plum 12ft trampoline accessory kit includes everything you need for your trampoline including a 12ft trampoline cover an adjustable ladder and a trampoline anchor kit the plum 12ft trampoline cover provides protection to your trampoline all year round which keeps it in better condition and can increase the life span of the trampoline the trampoline cover is designed to fit all 12ft circular trampolines and is also ideal for keeping leaves and other debris off the trampoline when not