Blue necklace is handmade from the best materials. You can buy sglass bead necklace as a gift for a friend, sister, mother. MEASUREMENTS: Choose a length for your beads necklace (measured in inches). Measure the length of your neck with a measuring tape or you can use any thread, rope, or cable for telephone and after apply the measurements to a regular ruler. If you have any questions about your size be free to text me a message. IMPORTANT: Don't be afraid to buy the wrong size. A chain is added to each layering necklace for additional control. So it's easy to buy it as a gift ( 14-15 sizes fit more like a choker and 16-17sizes fit longer). **Please note: These necklaces are individually handmade, so no two are exactly the same*