10 x 13 x 2 Kraft Expandable Self-Seal Envelopes 100/Case

• Seal without moisture! It's a hassle - free solution.
• Just peel the tear - off strip to seal quickly.
• The tear - off strip protects the adhesive from dust, ensuring a long shelf life.
• Expandable sides are perfect for holding bulky items.
• Made from strong 40 lb. paper stock for durability.

Using these envelopes is easy. First, you don't need to use any moisture to seal them. Just find the tear - off strip and peel it off, then you can seal the envelope right away. When storing, keep them in a dry place to protect the adhesive on the tear - off strip. As they're made of 40 lb. paper stock, they're quite durable, but avoid sharp objects to prevent tearing. And since the sides can expand, you can comfortably put bulky items inside. That's all you need to know to use these envelopes well.