Envelopes

Tyvek Folding Envelopes B4 (Pack of 100) 353 x 250 x 40 mm Tear-Resistant Water-Repellent Mailing Bags with Block Base Self-Adhesive Without Window Envelopes 68 g/m² White DURABLE MAILERS The Tyvek envelopes B4 are tear-resistant, burst-resistant, water-repellent and feather-light. The envelopes are made from DuPont Tyvek. Shipping bags goods shipment: the shipping bags are ideal for important documents such as... Tyvek Folding Envelopes B4 (Pack of 100) 353 x 250 x 40 mm Tear-Resistant Water-Repellent Mailing Bags with Block Base Self-Adhesive Without Window Envelopes 68 g/m² White