12 x 18 Envelopes

Elevate your mailing and packaging needs with Envelopes.com’s versatile 12 x 18 inches envelopes. Available in paper, plastic, and foil options, these envelopes are designed to meet a variety of requirements. The plastic envelopes, available with hook and loop closures or button and string, offer durability and secure sealing, perfect for important documents and materials. For a classic touch, the brown kraft envelopes provide sturdiness and reliability. For those seeking a standout look, our silver and gold foil envelopes with peel and seal closures add a touch of elegance and protection. With custom printing options available, you can personalize your envelopes to showcase your brand or add a unique touch to your correspondence. Whether you're sending artwork, documents, or promotional materials, trust in the quality and versatility of these 12 x 18 envelopes to enhance your mailing experience.