Made of 600D Polyester which is durable, lightweight and delicate. Fully padded back panel and shoulder straps for increased comfort when carried books, folders and personal belongings. Custom Logo: Silkscreen, Embroidery, Woven label. Product size is 12 5/8" L x 17 3/8" W x 5 1/2" H, custom LOGO MOQ 300PCS.