Sparco Clasp Envelopes， 28lbs.， 10 x 13 Inches， 100 per Box， Gray (SPR01352)<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"> Clasp Envelopes offer a smooth writing surface </span></li><li><span class="a-list-item"> Each features gummed flaps and a double-prong clasp on the open-end </span></li><li><span class="a-list-item"> 28 lb </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31mhcyme5YL.jpg" noproxy>