diff --git a/src/csv.rs b/src/csv.rs
index c7eaa3b..91e04b4 100644
--- a/src/csv.rs
+++ b/src/csv.rs
@@ -62,7 +62,8 @@ where
     }
 }
 
-struct CsvAssetLoader<A> {
+/// Loads your asset type `A` from csv files
+pub struct CsvAssetLoader<A> {
     extensions: Vec<&'static str>,
     _marker: PhantomData<A>,
     delimiter: u8,
diff --git a/src/json.rs b/src/json.rs
index 27fc450..34b123f 100644
--- a/src/json.rs
+++ b/src/json.rs
@@ -37,7 +37,8 @@ where
     }
 }
 
-struct JsonAssetLoader<A> {
+/// Loads your asset type `A` from json files
+pub struct JsonAssetLoader<A> {
     extensions: Vec<&'static str>,
     _marker: PhantomData<A>,
 }
diff --git a/src/msgpack.rs b/src/msgpack.rs
index ac0a343..de58697 100644
--- a/src/msgpack.rs
+++ b/src/msgpack.rs
@@ -37,7 +37,8 @@ where
     }
 }
 
-struct MsgPackAssetLoader<A> {
+/// Loads your asset type `A` from `MessagePack` files
+pub struct MsgPackAssetLoader<A> {
     extensions: Vec<&'static str>,
     _marker: PhantomData<A>,
 }
diff --git a/src/postcard.rs b/src/postcard.rs
index 3f41562..f21efb0 100644
--- a/src/postcard.rs
+++ b/src/postcard.rs
@@ -44,7 +44,8 @@ where
     }
 }
 
-struct PostcardAssetLoader<A> {
+/// Loads your asset type `A` from `Postcard` files
+pub struct PostcardAssetLoader<A> {
     extensions: Vec<&'static str>,
     _marker: PhantomData<A>,
 }
@@ -88,10 +89,19 @@ where
     }
 }
 
-struct PostcardAssetSaver<A> {
+/// Saves your asset type `A` to `Postcard` files
+pub struct PostcardAssetSaver<A> {
     _marker: PhantomData<A>,
 }
 
+impl<A> Default for PostcardAssetSaver<A> {
+    fn default() -> Self {
+        Self {
+            _marker: PhantomData,
+        }
+    }
+}
+
 impl<A: Asset + Serialize> AssetSaver for PostcardAssetSaver<A> {
     type Asset = A;
     type Settings = ();
diff --git a/src/ron.rs b/src/ron.rs
index 60c602e..3d9745b 100644
--- a/src/ron.rs
+++ b/src/ron.rs
@@ -37,7 +37,8 @@ where
     }
 }
 
-struct RonAssetLoader<A> {
+/// Loads your asset type `A` from ron files
+pub struct RonAssetLoader<A> {
     extensions: Vec<&'static str>,
     _marker: PhantomData<A>,
 }
diff --git a/src/toml.rs b/src/toml.rs
index a491b27..7f37bcb 100644
--- a/src/toml.rs
+++ b/src/toml.rs
@@ -37,7 +37,8 @@ where
     }
 }
 
-struct TomlAssetLoader<A> {
+/// Loads your asset type `A` from toml files
+pub struct TomlAssetLoader<A> {
     extensions: Vec<&'static str>,
     _marker: PhantomData<A>,
 }
diff --git a/src/xml.rs b/src/xml.rs
index 15312c9..ab0fb6f 100644
--- a/src/xml.rs
+++ b/src/xml.rs
@@ -39,7 +39,8 @@ where
     }
 }
 
-struct XmlAssetLoader<A> {
+/// Loads your asset type `A` from xml files
+pub struct XmlAssetLoader<A> {
     extensions: Vec<&'static str>,
     _marker: PhantomData<A>,
 }
diff --git a/src/yaml.rs b/src/yaml.rs
index b855c55..d034d05 100644
--- a/src/yaml.rs
+++ b/src/yaml.rs
@@ -37,7 +37,8 @@ where
     }
 }
 
-struct YamlAssetLoader<A> {
+/// Loads your asset type `A` from yaml files
+pub struct YamlAssetLoader<A> {
     extensions: Vec<&'static str>,
     _marker: PhantomData<A>,
 }