Winc Premium Carbon Neutral A3 80gsm White Copy Paper Carton 3 is a versatile, multi-use A3 copy paper providing consistent print quality. Produced from Elemental Chlorine Free (ECF) pulp. Acid Free with archival properties of 200+ years. 160 CIE Whiteness. PEFC™ certified. Carbon Neutral certified. Suited to single and double-sided printing. Carton of 3 reams.