Whether you choose to print on Letter or A4 paper format, the program will remember your settings. You need good-looking invoices? In Sleek Bill you can customize the color pattern to be used on your documents. And when the customers are satisfied, you can convert the estimate into an invoice in a matter of seconds. In case you need to present your customer just an estimate of the goods they want to purchase, you can do that with Sleek Bill. Designed by a team with over 6 years experience in making billing software, our software will save you time & money. Simply issue your invoices, detailing your customer's contact information, the products or services they purchased, the prices and detailed taxes.