Need to check the wind? How about thermals? The Meredith Solutions Milkweed Carrier is a single piece design made of soft rubber. Use and fill it by pushing right through the top. No caps to lose or break. Connect it to anything with the simple shock cord connection: your belt, straps, bow, ropes, anything! FeaturesConstructed of a soft rubberNo caps to lose or breakConnects to a variety of items via shock cord