Features: Elegant Planumberebog: The wise sea with gold trim enhances the visual appeal of these envelopes, excellent for exclusive requests and business communication, adding elegance and sophistication to your communications. Accessible Featuremail: The unique plan allows for easy viewing of internal information, facilitating quick recipient confirmation lacking opening the envelope, ideal for efficient handling of large quantities of mail in office settings. Green Substancemail: Produced from renewable paper, these envelopes assist green environmental efforts. Permanent Security: Combining thick paper with fine workmanship ensures the envelopes remain secure during mailing. Flexible Usemail: Available in a 20 pack set, these envelopes meet various demands from workplace use to special incidents Specifications: Materials: paper, smooth and delicate feel, ensuring the high-end texture of the envelope. Craft: It adopts exquisite design, paired with green tone, adding elegance and fashion, and design is easy to view internal information. Size: Standard size, suitable for placing letters and cards of various specifications. attributes: Provides 20 sets to meet a variety of office and needs. Practicality: It is suitable for business letters, invitation letters, thank you cards and other occasions, improving overall taste and professional image. Package Includes: Envelope + stickers × 20 sets note: Note:  1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order.