Tyvek gusset envelope B4 250x330x38mm 70g white 100 pieces

The Tyvek B4 250x330x38mm 70g white gusset envelope 100 pieces offers exceptional protection for the secure sending of documents or other valuables. These sturdy envelopes are made from 100% pure PE fibers and weigh 70 g/m², making them both lightweight and extremely durable. They are not only tear-resistant but also waterproof and oil-resistant, ensuring optimal protection against damage from environmental factors. These envelopes are ideal for sending confidential correspondence or bulky documents requiring extra protection. The resealable adhesive strip closure ensures easy use and additional security. Features: * Type: B4 gusset envelope. * Dimensions: 250x330x38mm. * Weight: 70 g/m². * Color: white. * Packaging: 100 pieces. * Material: 100% pure PE fiber. * Properties: tear-resistant, waterproof, and oil-resistant. * Closure: resealable adhesive strip closure.