Jiffy bag

例句：

1. 1. I need to grab a Jiffy bag before the store closes.
   我需要在商店关门前拿一个快包。
2. 2. The Jiffy bag was so convenient, it made my shopping trip even more enjoyable.
   这个快包太方便了，让我的购物之旅更加愉快。
3. 3. The Jiffy bag is perfect for carrying small items like keys and wallets.
   这个快包非常适合携带像钥匙和钱包这样的小物品。