The Motley Assortment › Insect Fossil Clay Leather Strap Necklace Image 1 of 2 Image 2 of 2 Insect Fossil Clay Leather Strap Necklace $20.00 Ancient Insects Made Of Polymer Clay. Black Leather Strap With Silver Lobster Clasp. Approx. 21 Inches In Length. Add To Cart Added! Ancient Insects Made Of Polymer Clay. Black Leather Strap With Silver Lobster Clasp. Approx. 21 Inches In Length.