159mm x 235mm Banker Invitation Gummed White 100gsm Envelopes (Qty 500)These 159mm x 235mm banker white envelopes are made from high quality 100gsm paper, offering a clean and professional appearance for your mailing needs. The gummed flap provides a secure seal, ensuring that your contents stay safe and protected during transit. Perfect for sending invitations, business correspondence, or important documents, these envelopes combine style and functionality. Available in a pack of 500, they offer a cost effective