Seedburo container, barge and bag seals are required by the USDA for all direct export trade of grain out of the country. The seals are attached to the container, barge door or bag opening to provide a tamper-evident seal. All of the seals meet the ISO-9001:2008 requirements. Seals sold in lots of 1000. Customized seals are available in lots of 1000 - call for quotation.