diff --git a/data_types/choice.py b/data_types/choice.py
index ecdd51e..3c0138b 100644
--- a/data_types/choice.py
+++ b/data_types/choice.py
@@ -1,6 +1,6 @@
 from enum import Enum
 
-from utils import only_keep_UTF_8_chars
+from utils import only_keep_UTF_8_chars, sanitize_id
 
 
 class ChoiceType(Enum):
@@ -16,7 +16,7 @@ def __init__(self, name: str = "", price: float = 0.0):
 
     def __str__(self):
         self.name = only_keep_UTF_8_chars(self.name.replace("€", " euro "))
-        display_name = only_keep_UTF_8_chars(self.name.lower().replace(
+        display_name = sanitize_id(self.name.lower().replace(
             " ", "_"
         ).replace(
             ".", "_dot_"
@@ -37,7 +37,7 @@ def __init__(self, name: str = "", description: str = "", type: ChoiceType = Cho
             choices = []
         self.type: ChoiceType = type
         self.choices = choices
-        self.name: str = name
+        self.name: str = sanitize_id(name)
         self.description: str = description
 
     def update_name(self, new_name: str):
diff --git a/data_types/common_choice_lists.py b/data_types/common_choice_lists.py
index c0001fd..d96aec7 100644
--- a/data_types/common_choice_lists.py
+++ b/data_types/common_choice_lists.py
@@ -1,5 +1,6 @@
 from data_types.choice import ChoiceList, Choice, ChoiceType
 
+
 ############################
 #        metropol          #
 ############################
@@ -85,6 +86,7 @@ def create_metropol_groenten_keuze_list():
     ]
     return groenten_keuze_list
 
+
 def create_metropol_extra_keuze_list():
     extra_keuze_list = ChoiceList(name="extra", description="Welke extra's?", type=ChoiceType.MULTI)
 
@@ -97,6 +99,7 @@ def create_metropol_extra_keuze_list():
     ]
     return extra_keuze_list
 
+
 ############################
 #        simpizza          #
 ############################
diff --git a/data_types/product.py b/data_types/product.py
index 04053c2..df35065 100644
--- a/data_types/product.py
+++ b/data_types/product.py
@@ -1,7 +1,7 @@
 import re
 
 from data_types.choice import ChoiceList, Choice, ChoiceType
-from utils import only_keep_UTF_8_chars
+from utils import only_keep_UTF_8_chars, sanitize_id
 from typing import List
 
 
@@ -16,7 +16,7 @@ def __init__(self, name: str = "", description: str = "", price: float = 0.0):
     def __str__(self):
         output = ""
         self.name = only_keep_UTF_8_chars(self.name.replace("€", " euro "))
-        self.display_name = only_keep_UTF_8_chars(self.name.lower().replace(
+        self.display_name = sanitize_id(self.name.lower().replace(
             " ", "_"
         ).replace(
             ".", "_dot_"
diff --git a/utils.py b/utils.py
index 1d8e160..fb6e0d4 100644
--- a/utils.py
+++ b/utils.py
@@ -12,6 +12,12 @@
 from selenium.common.exceptions import StaleElementReferenceException
 
 
+def sanitize_id(input_str):
+    # Keep only characters matching the pattern [a-z0-9_-]
+    sanitized = re.sub(r'[^a-z0-9_-]', '', input_str.lower().replace(" ", "_"))
+    return sanitized
+
+
 def timer(func: Callable) -> Callable:
     """Print the runtime of the decorated function"""
 
@@ -172,7 +178,8 @@ def parse_pdf_with_strip_split_enters(file_path: str, coords: Tuple[int, int, in
     return output.strip().split("\n")
 
 
-def parse_pdf_section(pdf_url: str, local_file_path: str, coords: Tuple[int, int, int, int], page_number: int = 1) -> List:
+def parse_pdf_section(pdf_url: str, local_file_path: str, coords: Tuple[int, int, int, int],
+                      page_number: int = 1) -> List:
     """
     Downloads a PDF, retrieves its dimensions, and extracts text from a specified section.