For guys and girls, check out this awesome trampoline necklace!
 
MATERIAL – Waxed cotton material make it lightweight, flexible, and durable to use 
LENGTH - Each necklace cord size are 18”/ 45.7cm length (including 16”/ 41cm cord length and 2”/ 5cm chain lead length) with 2.0mm diameter, you can use the lobster claw clasp to adjust the length