WESTVA : Columbian® #10 Trade Size Tyvek® Open End Flat Envelopes
Resists water, chemicals, moisture, bursts, tears and punctures. Lightweight material reduces mailing weight and shipping costs. These durable envelopes are ideal for small format business needs. No-moisture Grip-Seal® closure; peel strip and press flap to secure. Envelope Size: 4 1/8 x 9 1/2; Envelope/Mailer Type: Business/Trade; Closure: Grip-Seal® Self-Adhesive; Trade Size: #10.
