This is a DVD included as a magazine supplement that teaches basic trail running techniques. I have kept it sealed. Since it is unopened, I cannot confirm the contents. Please understand. The beginning is the most important thing. If you want to start trail running or are interested, please consider it! - Title: Trail Running Introduction with Shogo Mochizuki and Kenichi Yamamoto - Contents: Two parts, Part 1 and Part 2 - Series Name: RUN+TRAIL - Technique: Basic trail running techniques - Features: Includes scenery of Mount Fuji Although unopened, a part of the packaging is torn. Please refer to the image. It will be shipped in its case via Yu-Packet Post Mini.