1.shielding ability:<15 vlots 2.meet the RoHS standard 3.type:zip-lock, open-end, seal-top...... It has antistatic, preventing electromagnetic interference, moistureproof functions, Faraday electric cage structure, shield block average is up to 60 db. It has powerful electrostatic protection. Inner surface is pure metal aluminum structure, resistivity is lower than 0.1 Ω.It has perfect sealing, ...