MAGNETIC MOUNT | Our Urth Magnetic Lens Filter Caps are part of our time-saving stackable magnetic lens filter range, bringing ease to your creative flow. Please note: This magnetic filter cap is only compatible with magnetic filters. SPACE SAVER | Minimally designed and made from strong yet lightweight magnalium to free up space and weight in your bag. TOUGH PROTECTION | Contains two metal caps that quickly stack and cover your Urth Magnetic Lens Filters for secure, compact protection from dirt, fingerprints, dust and grime. BACKED FOR LIFE | Made from infinitely recyclable magnalium to last a lifetime and be repurposed for lifetimes after that. PLANT 5 TREES | This Urth filter funds local communities to plant 5 trees in areas affected by deforestation.