diff --git a/cloudflare/queues/batchsendoptions.go b/cloudflare/queues/batchsendoptions.go
new file mode 100644
index 0000000..97abd6d
--- /dev/null
+++ b/cloudflare/queues/batchsendoptions.go
@@ -0,0 +1,36 @@
+package queues
+
+import (
+	"syscall/js"
+	"time"
+
+	"github.com/syumai/workers/internal/jsutil"
+)
+
+type batchSendOptions struct {
+	// DelaySeconds - The number of seconds to delay the message.
+	// Default is 0
+	DelaySeconds int
+}
+
+func (o *batchSendOptions) toJS() js.Value {
+	if o == nil {
+		return js.Undefined()
+	}
+
+	obj := jsutil.NewObject()
+	if o.DelaySeconds != 0 {
+		obj.Set("delaySeconds", o.DelaySeconds)
+	}
+
+	return obj
+}
+
+type BatchSendOption func(*batchSendOptions)
+
+// WithBatchDelay changes the number of seconds to delay the message.
+func WithBatchDelay(d time.Duration) BatchSendOption {
+	return func(o *batchSendOptions) {
+		o.DelaySeconds = int(d.Seconds())
+	}
+}
diff --git a/cloudflare/queues/producer_opts.go b/cloudflare/queues/producer_opts.go
index cf2c5db..c6501e9 100644
--- a/cloudflare/queues/producer_opts.go
+++ b/cloudflare/queues/producer_opts.go
@@ -36,31 +36,3 @@ func WithDelay(d time.Duration) SendOption {
 		o.DelaySeconds = int(d.Seconds())
 	}
 }
-
-type batchSendOptions struct {
-	// DelaySeconds - The number of seconds to delay the message.
-	// Default is 0
-	DelaySeconds int
-}
-
-func (o *batchSendOptions) toJS() js.Value {
-	if o == nil {
-		return js.Undefined()
-	}
-
-	obj := jsutil.NewObject()
-	if o.DelaySeconds != 0 {
-		obj.Set("delaySeconds", o.DelaySeconds)
-	}
-
-	return obj
-}
-
-type BatchSendOption func(*batchSendOptions)
-
-// WithBatchDelay changes the number of seconds to delay the message.
-func WithBatchDelay(d time.Duration) BatchSendOption {
-	return func(o *batchSendOptions) {
-		o.DelaySeconds = int(d.Seconds())
-	}
-}