10 x 13 Red Tyvek Envelopes 100/Case

• These colorful envelopes will make your mail really stand out.
• Made from 14 lb. olefin material.
• They're ten times tougher than regular paper envelopes.
• Come with a convenient self - seal closure.

These 10 x 13 red Tyvek envelopes are great for mailing. To use them, just put your items inside and press the self - seal closure firmly. Make sure your items fit well within the 10 x 13 size. When handling, be careful not to over - bend them as they are strong but can still be damaged if mishandled. Store them in a dry place to keep the olefin material in good condition. And that's all you need to know to make the most of these envelopes.