* Acid free and archival safe.with a unique crystal clear solution,
* Crystal Clear
* Sulfur free
* Silicon free
* Latex free
* Recyclable
* Envelope may become brittle in cold weather.
* Not recommended for shipping in cold weather
* Cannot be refrigerated, frozen or microwaved.
* Cannot be used for baking or cooking.
* Cannot be refrigerated, frozen or microwaved.
* Cannot be used for baking or cooking.
Crystal Clear Flap Seal Envelopes have the following features: