diff --git a/Database/MySQL/Simple.hs b/Database/MySQL/Simple.hs
--- a/Database/MySQL/Simple.hs
+++ b/Database/MySQL/Simple.hs
@@ -48,6 +48,7 @@
     , Connection
     , Query
     , In(..)
+    , Binary(..)
     , Only(..)
     -- ** Exceptions
     , FormatError(fmtMessage, fmtQuery, fmtParams)
@@ -96,7 +97,7 @@
 import Database.MySQL.Simple.QueryParams (QueryParams(..))
 import Database.MySQL.Simple.QueryResults (QueryResults(..))
 import Database.MySQL.Simple.Result (ResultError(..))
-import Database.MySQL.Simple.Types (In(..), Only(..), Query(..))
+import Database.MySQL.Simple.Types (Binary(..), In(..), Only(..), Query(..))
 import Text.Regex.PCRE.Light (compile, caseless, match)
 import qualified Data.ByteString.Char8 as B
 import qualified Database.MySQL.Base as Base
diff --git a/Database/MySQL/Simple/Param.hs b/Database/MySQL/Simple/Param.hs
--- a/Database/MySQL/Simple/Param.hs
+++ b/Database/MySQL/Simple/Param.hs
@@ -18,10 +18,13 @@
     , inQuotes
     ) where
 
-import Blaze.ByteString.Builder (Builder, fromByteString, toByteString)
+import Blaze.ByteString.Builder (Builder, fromByteString, fromLazyByteString,
+                                 toByteString)
 import Blaze.ByteString.Builder.Char8 (fromChar)
 import Blaze.Text (integral, double, float)
 import Data.ByteString (ByteString)
+import qualified Data.ByteString.Base16 as B16
+import qualified Data.ByteString.Base16.Lazy as L16
 import Data.Int (Int8, Int16, Int32, Int64)
 import Data.List (intersperse)
 import Data.Monoid (mappend)
@@ -31,7 +34,7 @@
 import Data.Time.LocalTime (TimeOfDay)
 import Data.Typeable (Typeable)
 import Data.Word (Word, Word8, Word16, Word32, Word64)
-import Database.MySQL.Simple.Types (In(..), Null)
+import Database.MySQL.Simple.Types (Binary(..), In(..), Null)
 import System.Locale (defaultTimeLocale)
 import qualified Blaze.ByteString.Builder.Char.Utf8 as Utf8
 import qualified Data.ByteString as SB
@@ -80,6 +83,14 @@
         Plain (fromChar '(') :
         (intersperse (Plain (fromChar ',')) . map render $ xs) ++
         [Plain (fromChar ')')]
+
+instance Param (Binary SB.ByteString) where
+    render (Binary bs) = Plain $ fromByteString "0x" `mappend`
+                                 fromByteString (B16.encode bs)
+
+instance Param (Binary LB.ByteString) where
+    render (Binary bs) = Plain $ fromByteString "0x" `mappend`
+                                 fromLazyByteString (L16.encode bs)
 
 renderNull :: Action
 renderNull = Plain (fromByteString "null")
diff --git a/Database/MySQL/Simple/Types.hs b/Database/MySQL/Simple/Types.hs
--- a/Database/MySQL/Simple/Types.hs
+++ b/Database/MySQL/Simple/Types.hs
@@ -15,6 +15,7 @@
       Null(..)
     , Only(..)
     , In(..)
+    , Binary(..)
     , Query(..)
     ) where
 
@@ -97,4 +98,8 @@
 --
 -- > query c "select * from whatever where id in ?" (In [3,4,5])
 newtype In a = In a
+    deriving (Eq, Ord, Read, Show, Typeable, Functor)
+
+-- | Wrap a mostly-binary string to be escaped in hexadecimal.
+newtype Binary a = Binary a
     deriving (Eq, Ord, Read, Show, Typeable, Functor)
diff --git a/mysql-simple.cabal b/mysql-simple.cabal
--- a/mysql-simple.cabal
+++ b/mysql-simple.cabal
@@ -1,5 +1,5 @@
 name:           mysql-simple
-version:        0.2.1.2
+version:        0.2.2.0
 homepage:       https://github.com/mailrank/mysql-simple
 bug-reports:    https://github.com/mailrank/mysql-simple/issues
 synopsis:       A mid-level MySQL client library.
@@ -41,6 +41,7 @@
   build-depends:
     attoparsec >= 0.8.5.3,
     base < 5,
+    base16-bytestring,
     blaze-builder,
     blaze-textual,
     bytestring >= 0.9,