Use these holographic necklace boxes to package your custom-made necklaces for a market day or booth at a convention. You can also ship handmade items you sell online by putting these boxes in a mailer or give a friend or family member a necklace as a gift using these trendy boxes. Details: Holographic 8" x 2" x 0.8" (20.3cm x 5.1cm x 2cm) box size 4 necklace boxes Paper and polyester