Quality Park Survivor Catalog Mailers are made with durable 14-lb DuPont Tyvek, which is strong enough to withstand the most grueling conditions. The material is puncture, tear and moisture resistantvirtually indestructible. Yet, it is still lightweight which can provide a savings on shipping costs. These white mailing envelopes feature an easy Flap-Stik closure which requires no moisture for a secure seal and a release strip for quick, easy opening. Heavyweight 18 lb Tyvek. Seam Type: Weld; Flap Type: Square; Security Tinted: No; Opening: Open End.

Features

• Made with lightweight, yet strong and durable DuPont Tyvek material.
• Tough enough to resist the punctures, tears and moisture that can come with the shipping process.
• Perfect for shipping smaller products to customers or selling personal items online, lightweight mailing envelopes can reduce postage costs.
• Flap-Stik peel and seal closure for a clean, sanitary seal without moisture and a release strip for quick opening.
• Never run out with stock-up friendly boxes.