UCGOU 100 White Poly Mailers Variety Pack: 10×13, 12×15.5, 14.5×19, 19×24
Tape, wrapping film and corrugated cardboard box. Believe us. poly envelopes are made of heavy duty virgin plastic, which have a good stretch, lightweight and water and tear resistant. The adhesive is covered with silver strip, which are easily peel off the strip and seal the bag.