The perfect way to tackle troublesome wasps and flies and recycle used cans, is with these Can Wasp Traps. Simply clip the Can Wasp Trap onto an old (clean) can, add a small amount of sugared water as bait, using the funnel at the centre of the trap, and place in areas where wasps and flies are a problem. The wasps attracted by the sugared water, enter through funnel and cannot escape and drown in the bait. Great for placing on kitchen cupboards or near outdoor eating areas; you can even attach string or wire to hang you trap anywhere – indoors or outdoors. The Can Wasp Traps are a simple, yet effective solution to a common problem. Keep out of reach of children.