This pack of 30 Manilla Self-Seal Envelopes, come in assorted sized of DL, C5 and C6. These envelopes feature a self-seal closure making them easy to use and more hygienic than gummed envelopes. These assorted envelopes can also be used for art and crafts or small handmade cards.The Multi pack of envelopes are a must have for any office, school or university as their size means they are the most commonly used everyday envelopes suitable for all sorts of purposes. . Assorted Pack Manilla Self Seal Envelopes. 10 x DL Wallet 80g. 10 x C5 Pocket 90g. 10 x C6 Wallet 80g. Handy self-seal closure. Blue opaque for extra security. Manufactured in the UK. Approximate dimensions (mm) H255 W164 D15. Weight 158G