(Accessories) Shoulder strap

Luggage is heavy, but it is recommended for those who are having trouble if it is not cool in shoulder

It will be minimal that the bag gets wet even when the business bag is stylish and it is not only stylish by having a business bag, and it will not be stable and ran from the time when it is dramatically dramatically.
How about a 5-color deployment fragile shoulder strap spare that is easy to match the bag other than YouTA?