The product is a set of 6×9 poly bubble mailers shipping mailing padded bags envelopes self seal. Made by Mail Budz in the United States, this package includes 300 units of self-sealing envelopes. These envelopes provide a secure and protective packaging option for shipping and mailing items. The 6×9 size makes them versatile for various sending needs, and the bubble design adds extra cushioning for delicate items. Perfect for businesses or individuals looking to ship or mail items securely and efficiently.