Tyvek Envelopes, Expandable, 12in x 16in x 4in, Side Opening, White, Case Of 50

These tough Tyvek envelopes protect contents from harm during shipping, so every item arrives in great condition. The tear-, puncture- and moisture-resistant design stands up to challenging conditions. Unpadded Tyvek material resists tears, punctures and moisture. Ideal for moving, shipping and storing items. Self-adhesive closure makes sealing fast and simple.