First Quality Non-GMO Onion Seeds – Current Lab Test Data Shown on Packet Exclusive Gold Vault Packaging – Provides 3X Longer Storage than Paper or Plastic with Triple Layer Mylar Gold Foil. Resealable/Reusable Zipper Bag – Perfect for Storing Excess Seeds Bulk Seed is Excellent for Immediate Planting or for Long Term Storage as an Emergency Seed Vault Detailed Planting Instructions on Back – Online Info also available via QR Code The shiny, straw-colored skin of this Yellow Sweet Spanish onion covers a mild-flavored white flesh. This long-day onion is globe-shaped and can grow quite large in the right soil.