This is a 50 Pack lot of bubble mailers in the standard size #00, with adhesive close flaps. They are 5 X 8.5 inches in dimensional size. These are perfect for mailing small items. We are offering a nice wholesale lot, in a reasonable size of 50 envelopes. This is perfect for Etsy store members, selling jewelry, small trinkets and vintage items, etc. Please convo us with any questions and we do offer wholesale discounts on orders over $75. We also ship worldwide, so if you need a ship quote, email us. Also, check out our shop to see an ever growing selection of retail and jewelry packaging and displays.