Jiffy bag 
noun trademark
A padded envelope for protecting fragile items in the post.And for designer purchases, buy a Jiffy bag and mail them home....
- When I got home today, a small Jiffy bag was waiting for me.
- Pick up the phone early one day, and it will come through your door in a Jiffy bag the next, in tip - top condition.
- market penetration
- marketplace
- market potential
- market power
- market pressures
- market price
- substock
- substorm
- substractive
- substractor
- substrain
- substramen
- substratal
- substrate
- substrated
- substration
- substrative
- substratosphere
- substratum
- substratum language
- substratum theory
- substrature
- substring
- substruction
- substructional