Rainchains - Basket & Glass Copper Cups Rain Chain - RC-54Made of pure copper with a real glass grape and leaf motif! The "frame" is a stainless steel wire. The basket is woven with flat copper strips, tightly enough that water passes through the cup (as it should) and not out the sides. The sunlight that shines through the glass accents is breathtaking! Easy to assemble: requires a pair of pliers. Features: Pure copper with a real glass grape and leaf motif High Quality Material, will last for years!