Zhè ge lǚxíngdài róngliàng hěn dà, gòu zhuāng yī zhōu de xínglǐ.
This travel bag has a large capacity — enough for a week's luggage.
Tips
usage
旅行袋 is a soft-sided duffel-style bag — distinct from 行李箱 (xínglǐxiāng, 'suitcase' with wheels) and 背包 (bēibāo, 'backpack'). The handle/strap kind you'd take on a weekend trip.