Christmas Red & Green coloured blank cards and Envelopes pack. This card pack is perfect for greeting cards, wedding invitations, thank you cards, holiday cards, gift vouchers, presentation cards, awards invitation, events cards – can be used for any occasion, especially Christmas. 20 x card blanks (10 each colour) and 20 x envelopes per pack. Card blanks are 240gsm and envelopes are 100gsm. 13m x 13cm White Envelopes 100gsm. 130mm x 130mm (5″x5″) card is cut to fit within the envelope.