Simply designed for convenient access, the ShelterLogic® Pull-Eaze™ Roll-up Door Kit can be installed quickly and easily for one-pull access to your storage shelter. The Pull-Eaze roll-up door kit provides shelter access that is made easy every time. This specialized roll-up door kit is made from galvanized US steel and does not need to be filled with sand like some other units. This unit also incorporates a fully integrated steel pulley system (vs plastic) to ensure maximum strength, usability and a long life. One Roll-Up door kit will be needed for any shelter with a double zipper door and two Roll-Up door kits will be needed for any shelter with a triple-zipper door. Fits all zippered door fabric sheds, garages and shelters Innovative concept quickly opens doors and helps store them neatly through a simple pulley system Heavy-duty galvanized US steel pipe construction Engineered galvanized US steel pulley system to ensure a long-lasting life Easy installation One roll-up door kit will be needed for all double zipper door shelters, two roll-up door kits will be needed for all triple-zipper door shelters.