diff --git a/chunk/in_memory.go b/chunk/in_memory.go
new file mode 100644
index 0000000..e9c7f5c
--- /dev/null
+++ b/chunk/in_memory.go
@@ -0,0 +1,27 @@
+package chunk
+
+import "bytes"
+import "io"
+
+type InMemoryChunk struct {
+	payload bytes.Buffer
+}
+
+func (c *InMemoryChunk) SizeBytes() int {
+	return len(c.payload.Bytes())
+}
+
+func (c *InMemoryChunk) ReadSeeker() io.ReadSeeker {
+	return bytes.NewReader(c.payload.Bytes())
+}
+
+func (c *InMemoryChunk) Writer() io.Writer {
+	return &c.payload
+}
+
+type InMemoryChunkFactory struct {
+}
+
+func (f InMemoryChunkFactory) New() Chunk {
+	return &InMemoryChunk{}
+}