Choose the correct size foam sleeves by measuring the diameter of your trampoline poles Calculate the total length of the pole you want to cover and order the correct quantity of foams Pick the color of the trampoline foam pole sleeves to best match with your backyard trampoline Durable trampoline pole foams are designed for last longer, water proof as well as UV protected The design of this trampoline pole cover can prevent children from being hurt and play with confidence.