<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div class="container">
<div class="row">
<div class="new-arrival">
<div class="titlebar">
<div class="next-back">
<span><a data-slide="prev" href="#Carousel" class="left carousel-control">Back</a></span>
<span><a data-slide="next" href="#Carousel" class="right carousel-control">Next</a></span>
</div>
</div>
<div class="arrival-product">
<div id="Carousel" class="carousel slide" data-ride="carousel">
<div class="carousel-inner">
<div class="carousel-item active">
<div class="arrival-item">
<Ul>
<li><a href="#"><img src="http://placehold.jp/300x350.png" alt="Image" style="max-width:100%;"></a></li>
<li><a href="#"><img src="http://placehold.jp/300x350.png" alt="Image" style="max-width:100%;"></a></li>
<li><a href="#"><img src="http://placehold.jp/300x350.png" alt="Image" style="max-width:100%;"></a></li>
<li><a href="#"><img src="http://placehold.jp/300x350.png" alt="Image" style="max-width:100%;"></a></li>
</Ul>
</div>
</div>
<div class="carousel-item">
<div class="arrival-item">
<Ul>
<li><a href="#"><img src="http://placehold.jp/300x350.png" alt="Image" style="max-width:100%;"></a></li>
<li><a href="#"><img src="http://placehold.jp/300x350.png" alt="Image" style="max-width:100%;"></a></li>
<li><a href="#"><img src="http://placehold.jp/300x350.png" alt="Image" style="max-width:100%;"></a></li>
<li><a href="#"><img src="http://placehold.jp/300x350.png" alt="Image" style="max-width:100%;"></a></li>
</Ul>
</div>