Pearlescent Envelopes and Cardstock come in bright and vibrant colors with a smooth iridescent finish. Envelopes are 80 # text (120gsm) and Cardstock are 89 # cover (240gsm). The Envelopes and cardstock both come in the most popular stationery sizes. Envelopes come with adhesive on the flap and Cardstock are conveniently scored for folding.