1)custom rice bag,ISO,QS,FDA,EEC 2)security,unti-puncture ... Features1)Security, good barrier against oxygen & light, airtight, non-leakage, anti-puncture, strong sealing 2)Valve available for option3)Realistic & lively ... & adjustment, OEM serviceCertificatesFDA, ASTM, EEC, QS, SGS,ISO9001:2008ManufacturerChaoan Changxing Printing Service Co., Ltd1985, in Shantou City of Guangdong Province, China ...