Nice plastic coating and durable metal wire inside,strong but flexible,easy to bent and do not fall apart with useMultipurpose: a solution to get everything organized,like bread bag ties,repeat off bags,also for securing bags,cables,wires in tight places,organizing electrical wires and pc laptop cords,gardeningConvenient: solution to help you get everything organized with a simple twist tie. Excellent for keeping your cell phone,tablet,computer,headphones and ear bud cords bundled,secured,and tangle free. Easy to undo,easy to use: you simply twist Them,tie them,and reuse themGood toughness and durable,moisture resistant - can be used outdoors or indoor,eco-friendly and reusablePackage include 100 piece white twist ties and 100 pieces black twist ties,each Size: 150 x 2mm/ 6" x 0.08"(L*W).