The #10 Security Tinted Self-Seal 100 Envelopes are designed for secure packaging and shipping. With a size of 4-1/8 x 9-1/2 inches, these envelopes are perfect for sending documents, letters, or small items. The tinted design adds privacy to the contents, while the self-seal feature ensures easy closure. Ideal for businesses and individuals looking for reliable and secure mailing solutions.