Envelope set in various sizes: No. 3 long, No. 7 square, and No. 4 long. Sold as a set only. I'm selling these because I won't be able to use them all. These are unused but have been opened. Please purchase if you don't mind that they have been stored at home. - Size/Quantity: No. 3 long (120 x 235mm) 75 sheets - Size/Quantity: No. 7 square (142 x 205mm) 70 sheets - Size/Quantity: No. 4 long (90 x 205mm) 70 sheets Thank you for looking.