... . 3.100% Natural latex. 4.package:1440pcs/bag. black Static Finger cots:Color:black1.Made form Latex , adding anti ... -static compounds, and antioxidants, can eliminate static, and it do not pollute your precision parts ... bag4.Anti-static index:106-109ΩSize:S,M,LSurface resistirity (Ω/cm2 ) ≤1010Decay time(sec) < 3.0Static charge(ev) ≤5OFrictional charge(ev) ≤ ...