diff --git a/stl.go b/stl.go
index d38ecee..2b673da 100644
--- a/stl.go
+++ b/stl.go
@@ -10,9 +10,9 @@ import (
 	"strings"
 	"time"
 
-	"github.com/asticode/go-astitools/byte"
-	"github.com/asticode/go-astitools/map"
-	"github.com/asticode/go-astitools/ptr"
+	astibyte "github.com/asticode/go-astitools/byte"
+	astimap "github.com/asticode/go-astitools/map"
+	astiptr "github.com/asticode/go-astitools/ptr"
 	"github.com/pkg/errors"
 	"golang.org/x/text/unicode/norm"
 )
@@ -188,10 +188,12 @@ func ReadFromSTL(i io.Reader) (o *Subtitles, err error) {
 	// Update metadata
 	// TODO Add more STL fields to metadata
 	o.Metadata = &Metadata{
-		Framerate:    g.framerate,
-		Language:     stlLanguageMapping.B(g.languageCode).(string),
-		STLPublisher: g.publisher,
-		Title:        g.originalProgramTitle,
+		Framerate: g.framerate,
+		Language:  stlLanguageMapping.B(g.languageCode).(string),
+		STLMaximumNumberOfDisplayableCharactersInAnyTextRow: astiptr.Int(g.maximumNumberOfDisplayableCharactersInAnyTextRow),
+		STLMaximumNumberOfDisplayableRows:                   astiptr.Int(g.maximumNumberOfDisplayableRows),
+		STLPublisher:                                        g.publisher,
+		Title:                                               g.originalProgramTitle,
 	}
 
 	// Parse Text and Timing Information (TTI) blocks.
@@ -308,6 +310,12 @@ func newGSIBlock(s Subtitles) (g *gsiBlock) {
 		g.framerate = s.Metadata.Framerate
 		g.languageCode = stlLanguageMapping.A(s.Metadata.Language).(string)
 		g.originalProgramTitle = s.Metadata.Title
+		if s.Metadata.STLMaximumNumberOfDisplayableCharactersInAnyTextRow != nil {
+			g.maximumNumberOfDisplayableCharactersInAnyTextRow = *s.Metadata.STLMaximumNumberOfDisplayableCharactersInAnyTextRow
+		}
+		if s.Metadata.STLMaximumNumberOfDisplayableRows != nil {
+			g.maximumNumberOfDisplayableRows = *s.Metadata.STLMaximumNumberOfDisplayableRows
+		}
 		g.publisher = s.Metadata.STLPublisher
 	}
 
diff --git a/stl_test.go b/stl_test.go
index b605be0..303ada9 100644
--- a/stl_test.go
+++ b/stl_test.go
@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"github.com/asticode/go-astisub"
+	astiptr "github.com/asticode/go-astitools/ptr"
 	"github.com/stretchr/testify/assert"
 )
 
@@ -23,7 +24,7 @@ func TestSTL(t *testing.T) {
 	assert.NoError(t, err)
 	assertSubtitleItems(t, s)
 	// Metadata
-	assert.Equal(t, &astisub.Metadata{Framerate: 25, Language: astisub.LanguageFrench, STLPublisher: "Copyright test", Title: "Title test"}, s.Metadata)
+	assert.Equal(t, &astisub.Metadata{Framerate: 25, Language: astisub.LanguageFrench, STLMaximumNumberOfDisplayableCharactersInAnyTextRow: astiptr.Int(40), STLMaximumNumberOfDisplayableRows: astiptr.Int(23), STLPublisher: "Copyright test", Title: "Title test"}, s.Metadata)
 
 	// No subtitles to write
 	w := &bytes.Buffer{}
diff --git a/subtitles.go b/subtitles.go
index 882453b..9c55f7e 100644
--- a/subtitles.go
+++ b/subtitles.go
@@ -249,25 +249,27 @@ func (sa *StyleAttributes) propagateWebVTTAttributes() {}
 // Metadata represents metadata
 // TODO Merge attributes
 type Metadata struct {
-	Comments                 []string
-	Framerate                int
-	Language                 string
-	SSACollisions            string
-	SSAOriginalEditing       string
-	SSAOriginalScript        string
-	SSAOriginalTiming        string
-	SSAOriginalTranslation   string
-	SSAPlayDepth             *int
-	SSAPlayResX, SSAPlayResY *int
-	SSAScriptType            string
-	SSAScriptUpdatedBy       string
-	SSASynchPoint            string
-	SSATimer                 *float64
-	SSAUpdateDetails         string
-	SSAWrapStyle             string
-	STLPublisher             string
-	Title                    string
-	TTMLCopyright            string
+	Comments                                            []string
+	Framerate                                           int
+	Language                                            string
+	SSACollisions                                       string
+	SSAOriginalEditing                                  string
+	SSAOriginalScript                                   string
+	SSAOriginalTiming                                   string
+	SSAOriginalTranslation                              string
+	SSAPlayDepth                                        *int
+	SSAPlayResX, SSAPlayResY                            *int
+	SSAScriptType                                       string
+	SSAScriptUpdatedBy                                  string
+	SSASynchPoint                                       string
+	SSATimer                                            *float64
+	SSAUpdateDetails                                    string
+	SSAWrapStyle                                        string
+	STLMaximumNumberOfDisplayableCharactersInAnyTextRow *int
+	STLMaximumNumberOfDisplayableRows                   *int
+	STLPublisher                                        string
+	Title                                               string
+	TTMLCopyright                                       string
 }
 
 // Region represents a subtitle's region