Multi Color Yin & Yang design /Pink inner lining - Fun Yin & Yang Daisies across both the front and back of each bag Unsurpassed Water & Tear Resistance - Superior side seams combined with Heavy Duty 100% Virgin polyethylene make these Premium Quality envelopes highly resistant to water, punctures, and tears Pressure sensitive self seal with Anti Static Release Liner - 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