Quality Park Survivor Tyvek First Class Envelopes， 9.5 x 12.5 inches (Quality Park)<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"> Patented release strip makes envelopes easy to open </span></li><li><span class="a-list-item"> White Tyvek envelope with Flap-Stick closure and first-class border </span></li><li><span class="a-list-item"> Puncture-resistant， tear-resistant， moisture-resistant and chemical-resistant </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/4191kaGWUPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/413PBO6L0YL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31Z%2BVmn6ziL.jpg" noproxy>