Handcrafted Clay Croissant Sandwich Necklace 17" chain included. Handcrafted and made of Polymer Clay. Due to the handcrafted nature, each item made may look similar, but no two will ever be exactly the same. Polymer Clay is sturdy, but light weight for comfort. Made with: Polymer Clay, Metal All products are handcrafted jewelry creations. Please contact me for custom creations, or multiples for bridal wear and parties.