Using Stamps.com outside of ShipRush, there is an option to ship a First Class International Large Envelope (with max dimensions: max length 15", height 12" or more than 3/4" thick. Max weight 4 lb.) For a 7 oz. thick envelope, this option is less than half the cost of First Class International Parcel Service. Will ShipRush make available the First Class International Large Envelope option?
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