Features: Unique Triangular Planumberebog: Each envelope features a innovative triangular shape, enhancing visual appeal by 80% and ensuring your invitation stands out among ordinary envelopes, excellent for various incidents. Excellent Seall: Hard wearing strong gluey epoxy, offering 50% better sealing security to stop information leakage, even under dampness and temperature modifications, ensuring safe delivery. Green Substancemail: Produced from recyclable paper, meeting environmental criteria, with a density of 300gsm, providing 30% better tear resistance for protecting important documents otherwise requests. Flexible Applicationsecond: Twelve hundred membership layouts, event requests, wedding layouts, additionally, meeting varied demands for corporate incidents, social gatherings, otherwise individual festivities. Accessible Writing Spacemail: Each envelope includes example internal writing space, measuring 15.8X10.8CM, consistent various writing tools for individualized messages, enhancing user knowledge. Specifications: Substancemail: Paper Sizemail: 15.8X10.8CM Characteristicsecond: White/Black/Red/cowhides Applicable circumstancesecond: invitation card packaging, greeting card packaging Package Includes: White triangle mouth envelope x100 note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.