Sweet 16 key chains. This stylish resin sweet sixteen design key chain pearl white color accented with crystals and attached to a metal ring and key chain. Comes in an elegant black gift with velvet lining finished with an organza ribbon. These key chain favors are a great addition to your sweet sixteen party. Each key chain favor measures 3.5â€Â? long. These practical favors are sure to be used by your guests for years to come. The shipping weight for this item is 0.07 lbs per piece.rn