دفتر الفواتير بحجم 15 * 20

Dimensions: The size is typically measured in width and height, such as 15 * 20 cm, indicating a book with a width of 15 cm and a height of 20 cm.

Purpose: Used for tracking sales, services, and payments, and for issuing invoices to customers.

Design:

• Pages: Often includes multiple pages, with each page containing fields for details such as date, invoice number, customer information, item descriptions, quantities, prices, and totals.
• Format: Can be bound or spiral-bound for ease of use.

Material: Made from durable paper that can handle frequent use and often features carbon-copy sheets for making duplicates.

Usage: Commonly used by businesses for record-keeping and providing customers with formal invoices.