Herschel Supply Co. Pop Quiz Hip Pack. Pack light, move fast. A two pocket hip pack for life's little things, the Pop Quiz Hip Pack is made with 100% recycled EcoSystem™ fabrics and wears on the hip or over the shoulder for easy journeys. Zippered closures. Smooth webbing strap adjusts for comfortable hands-free journeys. Front pocket with waterproof zipper. Internal mesh storage sleeve. Put Yourself Out There™ internal label. EcoSystem™ 600D Fabric made from 100% recycled post-consumer water bottles. Tonal stripe EcoSystem™ Liner made from 100% recycled post-consumer water bottles. 7" x 12.25" x 3.5". 3.5 L capacity. Imported.