TheIsland HopperIsland Runneris made of 30 oz 1000 denier puncture resistant PVC. TheIsland Runneris a pontoon with many different purposes. Interconnect them, climb on them, walk-on, or just use it as an independent swimming platform.Island Runnercan be be anchored alone or connect to anyIsland Hopperwater trampoline. Product Diameter Height Length Ship Weights Box Sizes Island Runner 4 24 12 45 lbs 25 X 20 X 10 WEIGHT 45 lbs DIMENSIONS 25 20 10 in LIMITED WARRANTY 2 year seam NO SEAM BLOW-OUT limited warranty INCLUDED ACCESSORIES Carry bag,Instruction manual,repair kit MATERIAL Heavy commercial construction using 30 oz 1000 denier UV resistant PVC material