diff --git a/Database/Sql/Simple/Pool.hs b/Database/Sql/Simple/Pool.hs
new file mode 100644
--- /dev/null
+++ b/Database/Sql/Simple/Pool.hs
@@ -0,0 +1,59 @@
+{-# LANGUAGE DeriveDataTypeable #-}
+{-# LANGUAGE RecordWildCards #-}
+{-# LANGUAGE TypeFamilies #-}
+{-# LANGUAGE FlexibleContexts #-}
+{-# LANGUAGE TypeOperators #-}
+{-# LANGUAGE DataKinds #-}
+{-# LANGUAGE MultiParamTypeClasses #-}
+{-# LANGUAGE FlexibleInstances #-}
+
+module Database.Sql.Simple.Pool where
+
+import Control.Applicative
+import Control.Monad.Trans.Control
+import Data.Typeable
+import Data.Default.Class
+import Database.Sql.Simple.Internal
+import Data.Time.Clock
+import qualified Data.Pool as Pool
+
+data Backend b => Pool b = Pool (Pool.Pool b)
+    deriving (Typeable)
+
+instance Elem (Pool a) (a ': as)
+
+data PoolConfig = PoolConfig
+    { numStripes   :: Int
+    , idleTime     :: NominalDiffTime
+    , maxResources :: Int
+    } deriving (Show, Typeable)
+
+instance Default PoolConfig where
+    def = PoolConfig 1 20 100
+
+instance Backend b => Backend (Pool b) where
+    data ConnectInfo (Pool b) = ConnectionPool
+        { poolConfig  :: PoolConfig
+        , connectInfo :: ConnectInfo b 
+        }
+    type ToRow   (Pool b) = ToRow b
+    type FromRow (Pool b) = FromRow b
+
+    connect (ConnectionPool PoolConfig{..} ci) = 
+        Pool <$> Pool.createPool (connect ci) close numStripes idleTime maxResources
+
+    close (Pool p) = Pool.destroyAllResources p
+
+    execute  (Pool p) t q = Pool.withResource p $ \c -> execute  c t q
+    execute_ (Pool p) t   = Pool.withResource p $ \c -> execute_ c t
+    query    (Pool p) t q = Pool.withResource p $ \c -> query    c t q
+    query_   (Pool p) t   = Pool.withResource p $ \c -> query_   c t
+
+    fold  (Pool p) t q a f = Pool.withResource p $ \c -> fold  c t q a f
+    fold_ (Pool p) t   a f = Pool.withResource p $ \c -> fold_ c t   a f
+
+withPool :: (Backend b, MonadBaseControl IO m) => Pool b -> (b -> m a) -> m a
+withPool (Pool p) = Pool.withResource p
+
+transaction :: Transaction b => Pool b -> (b -> Sql c a) -> Sql c a
+transaction p m = withPool p $ \c -> withTransaction c (m c)
diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,20 @@
+Copyright (c) 2014 Hirotomo Moriwaki
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/Setup.hs b/Setup.hs
new file mode 100644
--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain
diff --git a/sql-simple-pool.cabal b/sql-simple-pool.cabal
new file mode 100644
--- /dev/null
+++ b/sql-simple-pool.cabal
@@ -0,0 +1,27 @@
+name:                sql-simple-pool
+version:             0.3.0
+synopsis:            conection pool for sql-simple
+-- description:         
+license:             MIT
+license-file:        LICENSE
+author:              HirotomoMoriwaki<philopon.dependence@gmail.com>
+maintainer:          HirotomoMoriwaki<philopon.dependence@gmail.com>
+Homepage:            https://github.com/philopon/sql-simple
+Bug-reports:         https://github.com/philopon/sql-simple/issues
+copyright:           (c) 2014 Hirotomo Moriwaki
+category:            Database
+build-type:          Simple
+cabal-version:       >=1.10
+
+library
+  exposed-modules:     Database.Sql.Simple.Pool
+  build-depends:       base                 >=4.6 && <4.8
+                     , text                 >=1.1 && <1.2
+                     , sql-simple           >=0.3 && <0.4
+                     , data-default-class   >=0.0 && <0.1
+                     , resource-pool        >=0.2 && <0.3
+                     , time                 >=1.4 && <1.5
+                     , monad-control        >=0.3 && <0.4
+
+  ghc-options:         -Wall -O2
+  default-language:    Haskell2010