Learn to Play Presents: SOB Jungle Gates

About Shadows of Brimstone: Valley of the Serpent Kings – Stone Portals, from BoardGameGeek:

These plastic doorways are a great way to trick out your Brimstone games, enhancing the theme and clearly marking available doorways. This set includes 4 plastic Jargono Doorways, 4 Spanish Fort Doorways, and an exclusive new 15 Card Mini Expansion, plus Rules & Painting Guide. -description from publisher's website