Alvin Quadrille Paper Grid Pad， Size 17 x 22 Inches (1432-11)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> 20 pound basis. </span></li><li><span class="a-list-item"> Acid-free. </span></li><li><span class="a-list-item"> 4-x-4 grid. </span></li><li><span class="a-list-item"> 50 sheet. </span></li><li><span class="a-list-item"> 17-x-22-inch pad. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51RlXq5OwIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51c3rdM22GL.jpg" noproxy>