JumpTrzz Climbing Cargo Net, Polyester Playground Climbing Net, Heavy Duty Large Military Climbing Net for Kids Outdoor, Kids Safety Protection Net, Rope Ladder, Jungle Gyms, Swingset, Treehouse. HIGH QUALITY POLYESTER MATERIAL: The JumpTrzz climbing cargo net is made of high-quality polyester material, multi-strand woven, durable, not easy to tear, wear-resistant, strong, impact-resistant or splinter to ensure a safe play for both adults and kids.