Quality Park White Number 10.5 Square Flap Redi-Strip Closure Security Tinted Envelope, 9 x 12 inch - 100 per box -- 1 box per case

With security tints and dependable adhesive, Quality Park Redi-Strip Security Envelopes are reliable as it gets for confidential mailing. Once priority documents are ready for shipping, be sure to preserve their integrity and condition inside the durable white wove paper. As you peel away the attachment and seal the envelopes closed, rest assured they'll be safe from prying eyes thanks to the security tint. Seam Type: Center; Flap Type: Square; Trade Size: Number 10 1/2; Security Tinted: Yes.