Tyvek * envelopes are very tough, durable and lightweight. Ideal for sending important documents or heavy or awkward shaped items. Also available in gusset sizes.
Use For: Postage of bulky, heavy or confidential items requiring strength and security. Where water or grease resistance is important.
Techniques: Ball point/pencil writable. Also receptive to adhesive/gummed address label. Some grades printable by flexo/offset litho overprint. Pre-test required.
|Envelope Grade||Heavy Weight