DESC: Extremely hard-wearing and can be wiped clean if necessary. Quality white plastic with matching paper contents page for easy cross reference. Ideal for use in or out of the office. 145 micron extra heavyweight plastic with clear Mylar reinforced punched holes for durability. A4 size punched 4 holes (lever arch A-Z punched 2 holes). White. 181788 1-31 (06701).