window dl envelopes

White window mailing envelopes

• Window dl envelopes offer the tightest and most secure seal available.
• Window dl envelopes have a peal and seal closure.
• Window dl envelopes are the made from bright 100gsm paper.
• Window dl envelopes are tamper-resistant closure avoids the need for security separations on the rear of the envelope flap.
• Window dl envelopes have a long shelf life.
• Window dl envelopes are fast, easy to use and hygienic.