Surface is Yellow inner lining. Hibiscus design fully covering both the front and back of each bag. Pack of 25 Size: 10x13 Unsurpassed Water & Tear Resistance - 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