Dimensions: A7envelopes measure 5-1/4 x 7-1/4 inches and are made of high quality paper, thick and durable with excellent sealing properties. Privacy protection: The 5x7 invitation envelope is thick and sturdy to protect the privacy of your contents. Easy to use: Each envelope comes with its own tape. Simply remove the protective strip, press and seal. Clamshell adhesion is very strong, firm and durable, can prevent the contents from falling during transportation. This envelope is ideal for business applications, wedding announcements and mailing. Easy to DIY and print: They feature smooth surfaces that allow you to write or paint easily, and you can also process them using a home laser or inkjet printer; You will receive: 50 5x7 envelopes (Sage Green), our 7*24 friendly customer service will put you to rest. These envelopes are also ideal for direct mail, postcards, letters, weddings, birthdays, baby showers, graduations, business and all kinds of party invitation cards.