Cart by Herschel Supply Co, Fabric outer, Lined design, Twin handles, Adjustable shoulder strap, Printed design, Patch detail, Wipe clean, 100% Polyester, H: 24cm/9 W: 48cm/19 D: 24cm/9. Herschel Supply Co produces quality built backpacks inspired by vintage mountaineering equipment, American heritage and world travel. With a passion for individuality and personal style, Herschel Supply Co have adapted their original designs to fit a new generation, bringing forth a collection of shoppers, holdalls and bumbags with a modern fit, shape and feel.