1200D heavy-duty polyester,Rain Defender durable water repellent (DWR),Large main compartment with dedicated tablet sleeve,Top compartment with dedicated pocket for power pack and cord port,Front zippered organization,2 exterior mesh pockets,Padded compartment with dedicated 15-inch laptop sleeve,Contour-fit shoulder straps with FastDry sweat-wicking technology,Padded air mesh back panel with a webbing strap that can fit over dual trolley handle of wheeled bag,Carhartt label sewn on front top pocket,Duravax abrasion-resistant base,Capacity: 28L,Dimensions: 18"h x 12"w x 10"l; Approx. 1,709 cubic inches,Note: Bags not intended for use by children 12 and under