Features: Green Substancemail: Produced from recyclable strength paper with a density of 300g, these envelopes offer 50% better tear resistance, ensuring secure security for substance during remote shipping. Traditional Simple Planumberebog: Highlighting a smooth and elegant plan, the 12.5x17.5cm size accommodates creased articles, greetings, and greeting layouts, making it ideal for specialists, artists, and learners. Secure Sealing Functparticlemail: Hard wearing a identity gluey ribbon for a strong and capper, each envelope can endure up to 2kg of pressure, ensuring the security of important documents and possessions. Flexible Applicationsecond: Excellent for holiday layouts, requests, business documents, and individual mail, these envelopes suit home, school, and office use, also as special instances like weddings and birthdays. Accessible Bulk Purchasemail: Each pack contains 10 envelopes, providing a cost effective answer for frequent mailers, small businesses, and meet border email trade operations. Specifications: Substancemail: Paper Sizemail: 12.5x17.5cm Characteristicsecond: black/white/ Applicable circumstancesecond: salary packaging, greeting card packaging, letter packaging Package Includes: White flat sealed paper envelope x10 note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.