... layer yarn,double layersFeatureHigh Tenacity & Color Fastness & Custom Specification & Excellent Elastic & Eco-FriendlySingle Layer0.82kg/paper spool, ... 24 spools/carton,carton specification (72cm*47cm*44cm)Double Layers0.85kg/paper spool,40 ... , elastic bands, weaving classes, decorations, etc. Hot sell high quality spandex covered yarn for textile accessories