50 12x16,100 7.5x10.5 gray poly mailer shipping bag 2.5MIL*free expedited mail

50pcs 12x16, 100pcs 7.5x10.5. gray outer surface, black inner layer. exterior size: 12" x 16"+(1.5"flap). interior size: 12" x 16" 2.5 Mil. 100% recyclable.

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