GeoTacks® Mini Combo KitGeoTacks are for GeoCache. Geo means relating to the earth. Cache means a collection of items stored in a hidden place. Tacks of course, are tacks. GeoTacks come in black or green base tacks with our trade secret Stealth Bright centers. In day time, they look like nature, earth, or dirt. They are hard to see during the day which is great for hiding trails or doing trails on public land where you dont want other people to see snipe your GeoTacks. But