Item Specifications:

For Standard size Trifold – 11×8.5 inches
document size 1500 x 1100 px (150 DPI)
You can use it on Dark and Light background
You can use your own custom background (with slight modifications)
Easy background Color/tone Change
Mock up in RGB
Organized Layers for easy customizing.
Smart Objects used for easy image replacement.

What you have in download file

1 PSD for Outer side
1 PSD for Inner side
Help file to add your design

Buy another Big Trifold Mockup Pack Here: https://creativemarket.com/saptarang/5923-Trifold-Z-fold-Mockup-Pack
Trifold designs used are not included but you can buy here:

Real Estate trifold: https://creativemarket.com/saptarang/3361-Real-Estate-Trifold-Brochure
Splendid Spa Trifold: https://creativemarket.com/saptarang/3610-Splendid-Beauty-Spa-Salon-Trifold