Global Packaging Solution is a wholesale supplier and distributor of poly shipper bags, poly mailer bags, poly envelopes, and courier bags, These bags are often referred to as courier bags, poly mailers, or plastic envelopes often used by online retailers. We can custom manufacture, custom print, and supply a large inventory of these poly based envelopes, including but not limited to economical industry standard letter sized envelopes up to 30X30 heavy duty poly mailers. GPS is dedicated to filling your poly mailer & envelope needs. Fully customized poly mailers are our specialty. We manufacture both domestically and internationally, and can inventory virtually any sized poly mailer order you may have. We can custom manufacture your poly shippers, envelopes and poly mailers, with as little as 5,000 pieces to meet your exact purchasing needs.