Our extra-large single-use A3 polythene security envelopes are available from UK stocks, available in two versions: clear see-through, or opaque version. They are particularly suited for large secure document or item transit, securing and tracking personal belongings, and for a wide-range of other security applications. Internal dimensions are: 400mm wide x 480mm long (to bag closure). Both versions come with unique barcoding/numbering and tear-off receipt with duplicate numbering. 

• Available from UK stocks for quick despatch
• See-through and opaque options