CONTENTS: Pack of 20 White Plain Mailing Envelopes | SIZE: C6 | LENGTH: 114 mm / 4.49 in | WIDTH: 162mm / 6.38 in | THICKNESS: 90 gsm | MADE in the UK ENHANCED SECURITY: These envelopes feature a blue high security pattern on the inside that scrambles text to ensure contents remain concealed when in-transit or storage. Send confidential documents with total confidence & peace of mind! HASSLE-FREE & PRACTICAL: The self-seal adhesive eliminates the need for any tape, glue or licking to seal these envelopes - just fold & press the top flap to secure shut! These envelopes are also compatible with most inkjet and laser printers. MULTIPURPOSE: These envelopes are ideal for mailing & organising invoices, letters, statements, catalogues, periodicals, brochures, etc. They are a cost-effective option for everyday home, office & commercial use! RECYCLABLE & PEFC CERTIFIED: Apart from being fully recyclable, these envelopes are made from paper sourced in a natural & controlled manner from SUSTAINABLY MANAGED FORESTS that also PROTECT THE RIGHTS OF WORKERS along the production process.