**Product Specifications:**

**Brand:** SIMAA

**Product Name:** File Boxes

**Material:** Acid-free paper, imported acid-free paper, cardboard, PP

**Customization:** Available for logo printing

**Features:** Durable, high strength, various sizes and colors

**Applications:** Suitable for office documents, important files storage

**Dimensions:** 310*220*20mm

**Thickness:** 1/2/3/4/5/6/8cm

**Quantity:** 10 pieces per pack

**Variants:** Regular leather paper, acid-free paper, imported acid-free paper

**Colors:** Reddish-brown, off-white, yellowish-brown

**Strength:** 0.6-0.8mm, 1.0-1.1mm, 1.0-1.2mm

**Weight:** 500-600g, 680-700g

**Storage:** Short-term and long-term preservation

**Closure:** Ivory clasp design

**Capacity:** Fits approximately 90-1120 A4 papers

**Design:** Two ivory clasps, spine for labeling, cotton rope for secure closure

**Applications:** Suitable for various industries and organizations

**Customization:** Available for bulk orders with logo and specific requirements

**Clientele:** TRCL, State Grid Corporation of China, China United Airlines, China Railway Construction Corporation, China Tobacco, China Meteorological Administration, Bank of China, Agricultural Bank of China, China Telecom, Nissan, etc.

For more information and customization options, please visit our website.