Materials: Waxed cotton cord, EXTRA LARGE silver or gold plated nickel-free lobster-claw or heart shape large lobster-claw and Abalone Shell beads.  
Measurements vary but average: Regular 22-23inches-Long 23 -25 inches, depending on the chain length you select. *They can be made longer or shorter if desired. 
Cord Colors: Black, Off White, Brown, Light Blue-Greyish, Dark Green. Bright color cords are available in regular length only, see color list picture here. *If you would like a bright color cord or have  a special request, please contact me with your desired mask holder customizations. ENAAJ79@gmail.com