Kantek Quality Park Tyvek Open End Exp Envelopes, 1st Class, 10x13x1-1/2, White,25/bx

Kantek Quality Park Tyvek Open End Exp Envelopes, 1st Class, 10x13x1-1/2, White,25/bx Superior protection for bulky items. Durable envelope resists punctures, tears and moisture. Expands on sides to fit binders, books, reports. Use instead of cartons or boxes. Lightweight envelope saves on postage. Clean, bright white color presents a professional image. Envelope Size: 10 x 13; Envelope/Mailer Type: Expansion; Closure: Flap-Stik® Self-Adhesive; Trade Size: N/A. Kantek Quality Park Tyvek Open End Exp Envelopes, 1st Class, 10x13x1-1/2, White,25/bx