diff --git a/sentry_sdk/consts.py b/sentry_sdk/consts.py
index 59185c579a..70cd800a42 100644
--- a/sentry_sdk/consts.py
+++ b/sentry_sdk/consts.py
@@ -1,6 +1,8 @@
 from sentry_sdk._types import MYPY
 
 if MYPY:
+    import sentry_sdk
+
     from typing import Optional
     from typing import Callable
     from typing import Union
@@ -11,7 +13,6 @@
     from typing import Sequence
     from typing_extensions import TypedDict
 
-    from sentry_sdk.transport import Transport
     from sentry_sdk.integrations import Integration
 
     from sentry_sdk._types import (
@@ -36,6 +37,7 @@
         total=False,
     )
 
+DEFAULT_QUEUE_SIZE = 100
 DEFAULT_MAX_BREADCRUMBS = 100
 
 
@@ -56,7 +58,8 @@ def __init__(
         in_app_exclude=[],  # type: List[str]  # noqa: B006
         default_integrations=True,  # type: bool
         dist=None,  # type: Optional[str]
-        transport=None,  # type: Optional[Union[Transport, Type[Transport], Callable[[Event], None]]]
+        transport=None,  # type: Optional[Union[sentry_sdk.transport.Transport, Type[sentry_sdk.transport.Transport], Callable[[Event], None]]]
+        transport_queue_size=DEFAULT_QUEUE_SIZE,  # type: int
         sample_rate=1.0,  # type: float
         send_default_pii=False,  # type: bool
         http_proxy=None,  # type: Optional[str]
diff --git a/sentry_sdk/transport.py b/sentry_sdk/transport.py
index 47d9ff6e35..5fdfdfbdc1 100644
--- a/sentry_sdk/transport.py
+++ b/sentry_sdk/transport.py
@@ -126,11 +126,11 @@ def __init__(
 
         Transport.__init__(self, options)
         assert self.parsed_dsn is not None
-        self._worker = BackgroundWorker()
+        self.options = options
+        self._worker = BackgroundWorker(queue_size=options["transport_queue_size"])
         self._auth = self.parsed_dsn.to_auth("sentry.python/%s" % VERSION)
         self._disabled_until = {}  # type: Dict[DataCategory, datetime]
         self._retry = urllib3.util.Retry()
-        self.options = options
 
         self._pool = self._make_pool(
             self.parsed_dsn,
diff --git a/sentry_sdk/worker.py b/sentry_sdk/worker.py
index 8550f1081c..b528509cf6 100644
--- a/sentry_sdk/worker.py
+++ b/sentry_sdk/worker.py
@@ -5,6 +5,7 @@
 from sentry_sdk._compat import check_thread_support
 from sentry_sdk._queue import Queue, Full
 from sentry_sdk.utils import logger
+from sentry_sdk.consts import DEFAULT_QUEUE_SIZE
 
 from sentry_sdk._types import MYPY
 
@@ -18,7 +19,7 @@
 
 
 class BackgroundWorker(object):
-    def __init__(self, queue_size=30):
+    def __init__(self, queue_size=DEFAULT_QUEUE_SIZE):
         # type: (int) -> None
         check_thread_support()
         self._queue = Queue(queue_size)  # type: Queue
@@ -110,7 +111,11 @@ def submit(self, callback):
         try:
             self._queue.put_nowait(callback)
         except Full:
-            logger.debug("background worker queue full, dropping event")
+            self.on_full_queue(callback)
+
+    def on_full_queue(self, callback):
+        # type: (Optional[Any]) -> None
+        logger.debug("background worker queue full, dropping event")
 
     def _target(self):
         # type: () -> None