See I bought, colleagues also want to buy. But the price, the quality is not to think too much

The quality is good, the winter back is too small, it seems strange, or suitable for summer.
Imagine small and medium, can also
Bag is not bad, very lightweight, courier is also very fast
The quality is good
Very good, good service attitude, buy the trumpet?
See I bought, colleagues also want to buy. But the price, the quality is not to think too much