PACKABLE - The only lens hood that's easy to pack, easier to install and funner to use. It’s foldable and collapses like an accordion, making it easy to pack and store anywhere... be it your bag, your backpack, even your pocket. You name it. | EASY TO USE + MAXIMUM SECURITY - When in installed, it’ll securely grip your lens, never falling off or getting lost. Expand it forwards to block out flares. Fold it backwards to protect against the elements. Adapt your gear on the go without interruption to your workflow. Withstands years of heavy use without issue & backed by a Lifetime Replacement Warranty. | VERSATILE - Easily stretching and fitting over any of your lenses, making it convenient to use with all your lenses while freeing up space in your bag while also working with holding 99% of circular filters, adapting to your workflow without wasting time or restricting your gear. | ANTI-GLARE | ANTI-REFLECTION - Whether shooting through glass and windows or any transparent concave surface, it completely removes reflections and glares, making it easy to shoot with no distractions. | PLEASE NOTE: VIGNETTING WILL BEGIN TO OCCUR with ultra-wide lenses and fisheye lenses that have focal length ranges >20mm. e.g. when a lens like a Canon EF 11-24mm f/4L USM Lens is completely zoomed out, the user will begin to see vignetting occur in the corners of the frame between 11mm-20mm.