Fading Hearts ❤️ Poly Mailers 10x13 Pack of 25 Pink, White Design outer surface/Grey inner lining - Whimsical design fully covering both the front and back of each bag. Unsurpassed Water & Tear Resistance. USPS APPROVED FEDEX APPROVED UPS APPROVED Superior side seams combined with Heavy Duty polyethylene make these High Quality envelopes highly resistant to water, punctures, and tears. Pressure sensitive self seal. Easy packing, tamper-evident, and super secure closure. Light Weight & Time Saving! Lower shipping costs combined with faster shipment preparation equal big savings over other packaging option. 100% recyclable!