Bill book: also called (Cash Memo, Duplicate Memo, Credit Memo) is a perfect solution for businessman, shopkeepers, and offices for issuing bills(invoices) to their customers. The GSM Bill Book is made of high quality paper! Therefore: in this bill book, records can be kept for years without any hesitation. GSM Bill book comes with Hard bound back cover GSM Bill book/Cash memo comes with Soft front cover, design may vary as per stock availability GSM Bill book/cash memo, receipt book comes with Numbering (Serial no.) GSM Bill Book has Premium Quality Paper ,Best Uses are :Bill, Cash Memo, Bill of Supply, Tax Invoice, Gate-Pass, Challan, Order book etc. Number of Pages in a Book : 50 Bill book size: 18cm by 13cm / 180mm by 130mm