Nylon is hygroscopic,it will absorb moisture,and lose the moisture to ensure optimum performance,the material must maintain a 2.5%water. WH’s packaging may keep the moisture.in order to keep the quality,it;s better toremain the original packaging for lnventories if stored improperly,especially in dry or cold environment,it will lose water from cable ties,and impact the use of cable ties.once the package is opened,please use out the cable ties as soon as possible.