Lewis N Clark ElectroLight Day Pack Multipurpose Backpack<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Nylon </span></li><li><span class="a-list-item"> Ultra-lightweight Durable Sil-nylon fabric is water and stain resistant. Breathable padded back and straps， Adjustable sternum strap， and Internal mesh zip pocket and flap zip pocket. </span></li><li><span class="a-list-item"> Large main compartment with cinch top </span></li><li><span class="a-list-item"> External zip pocket with RFID- blocking material prevents unauthorized scanning of data stored on credit cards . RFID products block 13.56MHz， which is the standard for credit cards/passports </span></li><li><span class="a-list-item"> size- 15in x 12in x 5in </span></li><li><span class="a-list-item"> 15x12x5 </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/410N-G7mOyL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51qCXXaWA%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Y2JB3AEtL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41%2BWkBOsr-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51ZLVtZK3BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61W-hcT3EyL.jpg" noproxy>