Paper SourceChicago, ILBrandEnvelope Liner Template Kit$14 – $20Stocked at 3HucklebearyDuluth, MNRetailer · Stationery shop$14Chirps & CheersOklahoma City, OKRetailer · Stationery shop$20Magpie & TigerMontpelier, VTBrand · Retailer · Stationery shop$14