diff --git a/include/v8-cppgc.h b/include/v8-cppgc.h
index 4a457027c9f7..e0d76f45016e 100644
--- a/include/v8-cppgc.h
+++ b/include/v8-cppgc.h
@@ -177,6 +177,11 @@ class V8_EXPORT CppHeap {
   void CollectGarbageInYoungGenerationForTesting(
       cppgc::EmbedderStackState stack_state);
 
+  /**
+   * \returns the wrapper descriptor of this CppHeap.
+   */
+  v8::WrapperDescriptor wrapper_descriptor() const;
+
  private:
   CppHeap() = default;
 
diff --git a/src/heap/cppgc-js/cpp-heap.cc b/src/heap/cppgc-js/cpp-heap.cc
index 511c2464ae19..cc061f5de532 100644
--- a/src/heap/cppgc-js/cpp-heap.cc
+++ b/src/heap/cppgc-js/cpp-heap.cc
@@ -147,6 +147,10 @@ void CppHeap::CollectGarbageInYoungGenerationForTesting(
       internal::CppHeap::CollectionType::kMinor, stack_state);
 }
 
+v8::WrapperDescriptor CppHeap::wrapper_descriptor() const {
+  return internal::CppHeap::From(this)->wrapper_descriptor();
+}
+
 namespace internal {
 
 namespace {
diff --git a/test/unittests/heap/cppgc-js/unified-heap-unittest.cc b/test/unittests/heap/cppgc-js/unified-heap-unittest.cc
index 21216f10accf..93f53c0bf8f0 100644
--- a/test/unittests/heap/cppgc-js/unified-heap-unittest.cc
+++ b/test/unittests/heap/cppgc-js/unified-heap-unittest.cc
@@ -710,4 +710,45 @@ TEST_F(UnifiedHeapTest, TracedReferenceHandlesDoNotLeak) {
   EXPECT_EQ(initial_count, final_count + 1);
 }
 
+namespace {
+class Wrappable2 final : public cppgc::GarbageCollected<Wrappable2> {
+ public:
+  static size_t destructor_call_count;
+  void Trace(cppgc::Visitor* visitor) const {}
+  ~Wrappable2() { destructor_call_count++; }
+};
+
+size_t Wrappable2::destructor_call_count = 0;
+}  // namespace
+
+TEST_F(UnifiedHeapTest, WrapperDescriptorGetter) {
+  v8::Isolate* isolate = v8_isolate();
+  v8::HandleScope scope(isolate);
+  auto* wrappable_object =
+      cppgc::MakeGarbageCollected<Wrappable2>(allocation_handle());
+  v8::WrapperDescriptor descriptor =
+      isolate->GetCppHeap()->wrapper_descriptor();
+  v8::Local<v8::ObjectTemplate> tmpl = v8::ObjectTemplate::New(isolate);
+  int size = std::max(descriptor.wrappable_type_index,
+                      descriptor.wrappable_instance_index) +
+             1;
+  tmpl->SetInternalFieldCount(size);
+  v8::Local<v8::Object> api_object =
+      tmpl->NewInstance(isolate->GetCurrentContext()).ToLocalChecked();
+  api_object->SetAlignedPointerInInternalField(
+      descriptor.wrappable_type_index,
+      &descriptor.embedder_id_for_garbage_collected);
+  api_object->SetAlignedPointerInInternalField(
+      descriptor.wrappable_instance_index, wrappable_object);
+
+  Wrappable2::destructor_call_count = 0;
+  EXPECT_EQ(0u, Wrappable2::destructor_call_count);
+  CollectGarbageWithoutEmbedderStack(cppgc::Heap::SweepingType::kAtomic);
+  EXPECT_EQ(0u, Wrappable2::destructor_call_count);
+  api_object->SetAlignedPointerInInternalField(
+      descriptor.wrappable_instance_index, nullptr);
+  CollectGarbageWithoutEmbedderStack(cppgc::Heap::SweepingType::kAtomic);
+  EXPECT_EQ(1u, Wrappable2::destructor_call_count);
+}
+
 }  // namespace v8::internal