nylonUse extension cord organizer for organization and storage in the garage, house, yard, storage shed, workshop, car, boat or RV. Get organized and stay organized. Heavy-duty storage straps constructed from 900 denier nylon material and a metal grommet. Maximum load capacity up to 50/60lbs without worrying about falling,cycle life more than 10,000 times.Easy to hang indoor or outdoor extension cords, large appliance cables and cords, network wires and generator cords, electric power cords and corded tools, washer hoses and garden and pool hoses, air and vacuum hoses, and other large hoses or rope.This extension cord holder set includes 10 pack (2 Small, 4 Medium, 2 Large and 2 X-Large), could bundle extension cords of different sizes.Our products are available for replacement or refund within one year. If you have quality or using problem, please feel free to contact us.