Twenty-five percent cotton content gives these envelopes the substantial feel that matches quality correspondence. The natural white finish provides a clean backdrop for handwriting, calligraphy, or printed addresses, while maintaining enough tooth to accept fountain pen ink without feathering. At 24 lb weight, they're sturdy enough to protect contents through mailing without feeling stiff or difficult to fold.

Acid-free composition ensures your letters won't yellow or deteriorate over time, important for correspondence worth keeping. The paper accepts various writing instruments smoothly, from ballpoint and gel pens to markers and fountain pens, making them versatile for both personal and professional use. Available in two standard sizes: #6 envelopes accommodate 6 x 8 inch stationery, while #9 envelopes fit standard 8.5 x 11 inch sheets. Both sizes pair seamlessly with Strathmore Writing Pads, creating cohesive correspondence sets. Stock your studio or home office with envelopes that elevate everyday communication beyond generic office supply fare.