Luxury Pillar Box Red Envelopes – All Sizes In Stock – Lowest UK PriceOur premium 120gsm pillar box red envelopes are a stunning warm red colour. With a heavy paper weight and a solid colour inside and out, you're sure to fall in love with our luxury pillar box red envelopes. Available in various popular sizes, with a peel and seal flap, our deluxe pillar box red envelopes are perfect for Wedding Stationery, Christenings, Christmas, Birthdays, Parties and for Corporate Stationery if it matches your brand!