Rusty Metal butterfly Wall Art - Metal Butterfly Gift. Our Rustic Butterfly wall decor looks stunning on any garden wall or fenced area. With slightly bended wing these garden decorations are full of beautiful detail, making a welcome gift or garden treat for yourself. Simply hang the butterfly on a small tack by one of the cut-outs in the wing. Available in three sizes with wingspan of 27cm, 30cm or 45cm. Cut from 2mm mild steel. Each sized butterfly has a different wing design, with similiarties between the largest and smallest design.