ESD Office Basics ESD A4 Document Holder Envelope PP Transparent Rs ≤ 10¹¹ Ω Plastic Snap – Eurostat 41-093-6038 Eurostat ESD A4 document holder envelope type: transparent PP, plastic snap, Rs <10¹¹ Ω, model AE 3221. For A4 documents in EPA zones. IEC 61340-5-1 compliant.