PHP array to string conversion

<?php 

$products = array();

$products[101] = array(
"name" => "Logo Shirt, Red",
"img" => "img/shirts/shirt-101.jpg",
"price" => 18   
);
$products[102] = array(
"name" => "Mike the Frog Shirt, Black",
"img" => "img/shirts/shirt-102.jpg",
"price" => 20
);
$products[103] = array(
"name" => "Mike the Frog Shirt, Blue",
"img" => "img/shirts/shirt-103.jpg",    
"price" => 20
);
$products[104] = array(
"name" => "Logo Shirt, Green",
"img" => "img/shirts/shirt-104.jpg",    
"price" => 18
);
$products[105] = array(
"name" => "Mike the Frog Shirt, Yellow",
"img" => "img/shirts/shirt-105.jpg",    
"price" => 25
);
$products[106] = array(
"name" => "Logo Shirt, Gray",
"img" => "img/shirts/shirt-106.jpg",    
"price" => 20
);
$products[107] = array(
"name" => "Logo Shirt, Turquoise",
"img" => "img/shirts/shirt-107.jpg",    
"price" => 20
);
$products[108] = array(
"name" => "Logo Shirt, Orange",
"img" => "img/shirts/shirt-108.jpg",    
"price" => 25,
);

?>

<?php 
$pageTitle = "Mikes Full Catalog of Shirts";
$section = "shirts";
include('inc/header.php'); ?>

<div class="section shirts page">

    <div class="wrapper">

        <h1>Mike&rsquo;s Full Catalog of Shirts</h1>

        <!-- ERROR BELOW HERE -->

        <ul class="products">
            <?php foreach($products as $product) { ?>
        <li><?php echo $product; ?></li>
            <?php } ?>

        <!-- ERROR ABOVE HERE -->

        </ul>

    </div>

</div>

<?php include('inc/footer.php'); ?>