Tyvek Open End Flat Grip Seal Envelopes, #10, White, 100/box
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.