diff --git a/README.md b/README.md
index 6cb65fc..8a26d8e 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,14 @@ for machine consumption. The labels are Avery 4731 labels.
 pip install paperless-asn-qr-codes
 ```
 
+## Supported Sheets
+Some different sheet types are supported with the `--format` argument, however, not all are tested.
+
+Default is Avery L4731.
+
+Currently tested and known working are:
+- Avery L4731 (DIN A4 Labels)
+
 ## License
 
 `paperless-asn-qr-codes` is distributed under the terms of the
diff --git a/paperless_asn_qr_codes/avery_labels.py b/paperless_asn_qr_codes/avery_labels.py
index 91a4d28..2a94970 100644
--- a/paperless_asn_qr_codes/avery_labels.py
+++ b/paperless_asn_qr_codes/avery_labels.py
@@ -26,16 +26,16 @@ from reportlab.lib.units import mm
 # page size
 
 labelInfo = {
-    4731: ( 7, 27, (25.4*mm, 10*mm), (2.5*mm, 0), (9*mm, 13.5*mm), A4),
+    "averyL4731": ( 7, 27, (25.4*mm, 10*mm), (2.5*mm, 0), (9*mm, 13.5*mm), A4),
     # 2.6 x 1 address labels
-    5160: ( 3, 10, (187,  72), (11, 0), (14, 36), LETTER),
-    5161: ( 2, 10, (288,  72), (0, 0), (18, 36), LETTER),
+    "avery5160": ( 3, 10, (187,  72), (11, 0), (14, 36), LETTER),
+    "avery5161": ( 2, 10, (288,  72), (0, 0), (18, 36), LETTER),
     # 4 x 2 address labels
-    5163: ( 2,  5, (288, 144), (0, 0), (18, 36), LETTER),
+    "avery5163": ( 2,  5, (288, 144), (0, 0), (18, 36), LETTER),
     # 1.75 x 0.5 return address labels
-    5167: ( 4, 20, (126,  36), (0, 0), (54, 36), LETTER),
+    "avery5167": ( 4, 20, (126,  36), (0, 0), (54, 36), LETTER),
     # 3.5 x 2 business cards
-    5371: ( 2,  5, (252, 144), (0, 0), (54, 36), LETTER),
+    "avery5371": ( 2,  5, (252, 144), (0, 0), (54, 36), LETTER),
 }
 
 RETURN_ADDRESS = 5167
diff --git a/paperless_asn_qr_codes/main.py b/paperless_asn_qr_codes/main.py
index 2b6e8ad..a6a951a 100644
--- a/paperless_asn_qr_codes/main.py
+++ b/paperless_asn_qr_codes/main.py
@@ -20,10 +20,13 @@ def main():
                     description='CLI Tool for generating paperless ASN labels with QR codes')
     parser.add_argument('start_asn')
     parser.add_argument('output_file')
+    parser.add_argument('--format', choices=avery_labels.labelInfo.keys(), default="averyL4731")
     args = parser.parse_args()
     global startASN
     startASN = int(args.start_asn)
-    label = avery_labels.AveryLabel(4731)
+    label = avery_labels.AveryLabel(args.format)
     label.open(args.output_file)
-    label.render(render, 189 )
+    # by default, we render all labels possible on a single sheet
+    count = avery_labels.labelInfo[args.format][0]*avery_labels.labelInfo[args.format][1]
+    label.render(render, count )
     label.close()