''Double Trouble'' means looking twice as nice with this Chip 'n Dale necklace set. The two-piece set includes matching necklaces designed to be shared between best friends. One has a cloisonné charm featuring Chip and the other necklace has one featuring Dale, and they both have adorable acorn charms engraved with ''BFF.'' So cute and colorful, they make a doubly terrific gift for besties.