Tangle-free for hair, even thin/fine hair, you can use them to wrap something you want, like electric cords. AND the coils spring back to shape and work well.
Hisum spiral hair ties OEM/ODM manufacturer in China
For more, contact us at info@hisumaccessories.com, or browse www.hisumgd.com. 
 
Feature: All day hold, snag free, stretchy, no damage, metal free 
Material: TPU
Size: 5cm
Test: REACH,OEKO-TEX, EN-71, CPSIA, ASTM, Ca prop 65....etc
 
Business steps: send inquiry-make samples-sample approval-production-inspection-shipment