Alpacar Silver-Plated Whirlwind Earring, Select Your Favorite Color. Design: They feature a stylized, modern whirlwind - shaped silhouette. Base material: The outer structure, dividing edges, and hooks are made of polished silver-tone alpaca metal. Center finish: The upper part of the whirlwind is decorated with a glossy resin. The Price is for 1 Pair, Select Your Favorite Color.