Patent Document of a Cold Air Pressure Apparatus for Beer Without Frame

<p><strong>Size: </strong>Small : 210 mm x 297 mm [W x H]</p>
<p><strong>Unit:</strong> 1</p>
<p><strong>Material:</strong> High-Grade Canvas</p>
<p><strong>Frame:</strong> Without Frame</p>
<p><strong>Note:</strong> It comes with a white border in case you wish to frame it later</p>