Portable Sales Books are ideal for use over the counter or on the road.• Available in black ink only• Bound in easy-to-use book• Record up to 10 transactions per form• Copies are printed with a promissory note on the back to help speed collections• Total of 50 sales forms and duplicates per book• Carbonless• Lined• 3 Part• Size: 4-1/4" x 7"