Envelope Printing by COG Print Online $145.00–$3,395.00 COG Print deliver premium Envelopes at the cheapest prices. • Peel and Seal Envelopes. • Printed on premium white 100gsm paper stock. • Printed digitally in full four colour process on front side. • Sizes: DL (110mm x 220mm), DLX (120mm x 235mm), C5 (162mm x 229mm), C4 (229mm x 324mm), B4 (353mm x 250mm).