Poly Bubble Mailer - 4" x 10" - 250 Pieces = 1 Case. Poly Bubble Mailers safeguard shipments from weather hazards, dust, dirt, and moisture. These trusted mailing envelopes are designed from polyethylene materials that look professional in commerce. Not to mention, a bubble liner absorbs shock during ... - Poly Bubble Mailer - 4" x 10" - 250 Pieces = 1 Case.
