The product is a set of 100 Aimoh brand business envelopes, model 34100, with security features including a self-seal design and tint for privacy. These envelopes are ideal for professional use, providing a secure and reliable option for sending sensitive documents and materials. The absence of a window ensures that personal information remains protected during transit. These premium envelopes are a practical choice for businesses seeking a high-quality solution for their mailing needs.