Adams Invoice Unit Set, 3 Part, Carbonless, 8.5 x 7.5 Inches, 50 Sets per Pack, White and Canary and Pink (9053ABF) Invoice unit set forms Consecutively numbered with space at top for company stamp 3 part carbonless with a white, canary and pink paper sequence 50 sets per package 8.5 x 7.5 inch sheet size