The Southworth 25% Cotton Resume Envelopes are high-quality white envelopes made with 100% cotton. With a weight of 24 lb, these envelopes are durable and provide excellent protection for important documents and materials. Perfect for business and professional use, these envelopes are designed to make a strong statement and deliver your messages with confidence. The Southworth brand is known for its commitment to quality and reliability, making these envelopes a trusted choice for any mailing or shipping needs.