Premium Material: JagerGreen 50 Pack A4 size (4.3" x 6.3"/10.8 cm x 15.9 cm) envelopes is made of high-quality colored 100 lb. TEXT / 40 lb. BOND/ 150 GSM paper stock, you cannot see right through the envelopes, your privacy will be well protected. Large enough to comfortably fit 4" x 6" items, ensuring durability and a professional look. Effortless Sealing: Simply moisten the adhesive strip on the envelope's flap, fold, and press for about one minute. Our water-activated glue ensures a secure seal, keeping your messages and contents safe. High Print Compatibility: The smooth surface is suitable for various printers, ensuring clear and smudge-free printing, making customization a breeze. Print your own designs, logos, or messages with ease. For best results, adjust your printer settings to the 5x7 envelope size before printing. Perfect for DIY Projects: Whether you're crafting custom invitations or greeting cards, these envelopes are perfect for all your DIY needs. The high-quality paper stock and vibrant colors add a unique touch to any project. Versatile Use: Available in a variety of colors to suit both personal and business use. Perfect for wedding invitations, holiday cards, thank you notes, photos, and more, making it ideal for baby shower, birthday, party, holidays, Christmas, banquets, graduations. JagerGreen 6x4 A4 Envelopes with V-flap are the perfect choice for weddings, invitations, photos, and other important occasions, like Valentine’s Day, Christmas, baby shower, birthday, parties, holidays, banquets, graduations. Made of premium 150 GSM paper materials, they provide a high-quality texture and professional appearance. The moisten-and-seal design allows for quick and secure sealing without the need for glue or tape. Compatible with various printers, these envelopes ensure clear and professional printing of text or graphics. Whether for personal or business use, these envelopes meet your needs.