DNA Necklace 18 inch sterling silver chain

Our DNA necklace is 3 dimensional. It measures approximately 1.25 inches in height and . 4 inches in width. It hangs from a sterling silver chain. We have both an 18 inch version and a 16 inch version. This is the 18 inch version, so please select the size that is best fitting for your needs. The DNA structure itself is made of lead free safe pewter. It come packaged in an elegant glass topped black box with an informational card that reads: DNA Helix Deoxyribonucleic acid (DNA) is a nucleic acid containing the genetic instructions used in the development and functioning of living organisms. Along with RNA and proteins, DNA is one of the three major macromolecules that are essential for all known forms of life. The double helix shape of DNA allows it to pass along instructions with great precision.