【PRECISELY FIT】- Each cover is compatibile with the 5'8" bed of 2019 2020 2021 Silverado/Sierra 1500/2500HD/3500HD 【EAST NO-T00L INSTALL】- No extra tools or drilling required.By following the instruction manual included, you will have a smooth and simple installation.Cover can be installed in about 20 minutes 【HEAVY DUTY MATERIAL】- Made with double layer PVC on the top, This tonneau cover has been thoroughly tested for UV protection and superior load-bearing capacity;Comes with high quilty aluminum frames and clamps for great stability 【ALL WEATHER PROTECTION】- This tri-fold truck bed cover provides your pick-up the perfect combination of security, convenience and appearance. 100% secure snow, rain, UV, and dust-proof trunk.Front and rear aterproof strips are included for enhanced sealing.Enjoy comprehensive safety protection all day long 【CUSTOMER SERVICE】- Limitted lifetime warranty. Customer satisfaction is our first priority, we provide satisfactory service for all products. We are committed to providing a shopping experience that meets your expectations. If you have any questions, please do not hesitate to contact us. We will contact you as soon as possible.