Nylon Corded Sport Necklaces have three programmed EFX holograms embedded in silicone badges with frequency technology designed to work with your body. The Nylon Corded Sport Necklaces fit comfortable and fastened with an clasp closure.

You can choose size options: M (22 inch) and L (24 inch).

Available in 5 color combinations, the Nylon Corded Necklace has become a popular staple in baseball and many other sports!