NWOT 20- 10X13 Poly Mailers "Thank you", Rainbow Print 【𝗗𝘂𝗿𝗮𝗯𝗹𝗲 𝗠𝗮𝗶𝗹𝗲𝗿𝘀】: 10x13 poly mailers are crafted with polyethylene plastic material, durable, waterproof and tearproof, which making them not easily punctured and damaged. 𝗦𝘁𝗿𝗼𝗻𝗴 𝗔𝗱𝗵𝗲𝘀𝗶𝘃𝗲 𝗦𝗲𝗹𝗳-𝗦𝗲𝗮𝗹𝗶𝗻𝗴】: Each polymailer 10x13 contains a strong adhesive self-sealing strip. The strong stickness prevents your items from being secretly replaced during transportation. Simply peel and fold over to seal each package safely and securely. 𝗪𝗶𝗱𝗲𝗹𝘆 𝗨𝘀𝗲】: Our package bags are the perfect choice for a variety of small businesses, which can improve your productivity at work, save much time and mailing cost. The envelopes bags are very suitable to shipping light and less fragile products, such as apparel, shirts, shoes, jeans, books, cosmetics products, and more. *Please examine all photos and ask any questions! At this time, I can not accept any cancelations or returns.