diff --git a/slides/README.md b/slides/README.md
index a86b0ac4cfec88f72a20a89b21bb0e64cc88a2d4..09a4c2706d2a62b00580cade5ed44876f71beb4e 100644
--- a/slides/README.md
+++ b/slides/README.md
@@ -6,3 +6,4 @@ Click on the links to download the slides
 * [Slides on the problem file](./dumux-course-problem.pdf)
 * [Slides on runtime parameters and grids](./dumux-course-runtimeparams-grids.pdf)
 * [Slides on properties](./dumux-course-properties.pdf)
+* [Slides on the material system](./dumux-course-materialsystem.pdf)
diff --git a/slides/dumux-course-materialsystem.pdf b/slides/dumux-course-materialsystem.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..b7be8b15560da9344f22f7208a00db12c467d7b1
--- /dev/null
+++ b/slides/dumux-course-materialsystem.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1f1492250daab1115ef61223a65597bc3c9f6f4a95c2aa55161db0051b91bdea
+size 394622