A4 Envelope with Bellows TYVEK

The A4 Envelope with Bellows TYVEK is an innovative solution for storing and transporting important documents. Made of 55-gram Tyvek material, this sack envelope combines exceptional strength with advanced functionality. Tyvek material provides tear-resistant properties, waterproofness and antistatic characteristics, effectively protecting the contents from moisture, dust and accidental damage. The gusseted design allows it to hold bulky documents or several sheets at once while maintaining a neat and professional shape. Available in two practical sizes: 22.9x34.3x3.8 cm and 25x37.2x3.8 cm, it fits perfectly with A4 and larger storage needs. The one-sided black-and-white printable surface offers customization options to identify contents or insert company logos. Ideal for offices, professional offices, archives and businesses that need to protect sensitive or important documents. Tyvek's durability ensures long-term protection, while its antistatic properties make it particularly suitable for environments where special attention to the preservation of materials is required.