Pack of 50 White 100gsm 121x171mm Gummed Envelopes. The Pack of 50 White Gummed Envelopes is crafted from smooth 100gsm premium paper, offering a clean, professional finish ideal for greeting cards, invitations, letters, and everyday mailing. Each 121x171mm envelope features a reliable wet-seal flapsimply moisten and press for a secure closure. The blank surface is perfect for DIY personalisation, allowing you to write, decorate, stamp, or label for creative or professional use, and they can also be printed for a neat, consistent look. Suitable for greeting cards, invitations, thank-you notes, vouchers, seasonal messages, and business correspondence, these envelopes provide a versatile, durable, and stylish solution for home, office, and event stationery.