3 New Necklace Gift Boxes For Jewelry Displays, Showcases & Countertops. This is a new set of 3 square necklace boxes with snap lids. These boxes allow you to present jewelry in stylish, economical boxes. The boxes are black and lined with black velvet on the inside. All include a white two piece outer gift box for easy wrapping. Each measures approximately 5 5/8" x 8 1/8" x 1 1/4" (143 x 206 x 32 mm).