GOP Covers Leather structure A4 240 g/m2 with file punching

A4 240 g/m² black with perforated edge and 2-hole European binder punching
GOP document covers
leather embossing

GOP cardboard, with fine leather embossing,
matt, 240g/m2, various colours
DIN A3 and DIN A4 formats
for wire binding, plastic binding, and Fastback
Optional with viewing window and/or printing