Prestige white envelopes because presentation matters. Send documents with confidence in these high quality white envelopes, which provide a combination of good looks and strength. Strong 120gsm brilliant white paper awarded EU Eco-Label accreditation - better for the environment. Easy Open envelopes feature a built-in tear strip allowing the recipient to open the envelope quickly and easily without damaging contents or compromising security. Featuring Power-Tac adhesive for an exceptionally strong seal. Peel and seal. Size: C4 324x229mm. Boxed 250. Window Size: 40 x 100mm. Window Position: 25mm in/213mm up.