About this item Change of Address Cards - Pack of 20 high quality moving notification cards. A6 size (105mm x 148mm) Professionally printed on both sides. Supplied with white envelopes EXTRA THICK CARDSTOCK ⭐ 300gsm triple coated cardstock with a matte reverse for easy writing SIZE ⭐These cards measure 105 x 148mm (A6 Size) and come with C6 Lick and Seal Envelopes ECO FRIENDLY ⭐ Our factory runs on 100% renewable energy. EXTRA THICK CARDSTOCK ⭐ 300gsm triple coated cardstock with a matt reverse for ease of writing A6 Announcement Cards Olivia Samuel 20 X Laser Tag Party Invites From A6 Double Sided Cards With Envelopes Moving Announcement Cards They're A6 size (about 105mm x 148mm), and they come with matching white envelopes, so they're ready to pop in the mail. The cards are printed on thick 300gsm... Our cardstock is sustainably sourced. The A6 cards are ready for you to write your party details on the back. Waves of Serenity in Change of Address cards Both the card and envelope are fully recyclable.