Size: A7 size white environmental protection envelope, made of 5 1/4" x 7 1/4" standard A7 size, with a square seal in the form of a glue booklet, made of high-quality paper, thick and durable, with excellent sealing performance. Your privacy will be well protected. | Design: This 5x7 envelope is very suitable for 5x7 cards/photos. These envelopes are also very suitable for direct mail, letters, postcards, weddings, birthdays, baby showers, graduations, holidays, handmade cards, business, and various party invitation cards. So you can rely on them to meet all your special mailing needs. | Sealing: This is a huge time-saving envelope, each envelope comes with a separate tape, just tear off the protective strip, press, and seal it. Easy to seal peeling and sealing and closing operations, this type of adhesive is ideal for commercial applications, wedding announcements, and mailing. | Print customization: If you want to customize or mark your envelopes, choose this one. These envelopes are suitable for printing. You can use laser or inkjet printers to solve them. They can be printed on digital and offset commercial printers. There is no need to worry about soiling or paper jams, as these envelopes are compatible with most printer models. | What you will get: 50 pack 5x7 envelopes (White), our 7*24 friendly customer service will give you peace of mind.