25 14.5 x19 Inch Poly Mailers Shipping Bags Business Rose Design Poly Mailers 3 Mil HEAVY DUTY Self Seal Mailing Envelopes 🚦Tissue sold separately WATERPROOF and durable, highly resisting tears, punctures and damages NO SEE THROUGH: These large poly mailers were no see through, black inner lining protect your privacy perfectly poly mailer come with quick self seal adhesive,it is very sticky that will seal the bag very well and tamper-evident