15x10, Gussett

New Guardian Gusset Envelopes Peel and Seal 381x254x25mm [Pack of 100] First class postal protection. Premium manilla envelopes. Superior protection, security and exceptional strength. Distinctive two-tone professional finish. Pocket envelope. 130g weighted. Peel and seal.

Q-Connect Envelopes 381x254x25mm Gusset Manilla [Pack of 100] Budget envelopes that are ideal for mail shots, invoices and other bulk post. Gusset envelopes for extra contents. 120g weighted paper. Peel and seal closure. 100% recycled. Size 381x251x25mm. Manilla, brown.