Adjustable length with front buckle
Max. length: 47.5 cm ; Width: 2 cm
(Capable on any backpack)
Avoiding backpack's shoulder strap slipping off and wobbling of backpack while walking.
Increase instability while carrying your bag.
Intensely weaved nylon strap + reinforced POM buckle:
Highly resistant and durable.
Attached whistle for emergent situations. ( Except Blue and purple)
Buckle chape's side could be adjusted to the shortest length as a fixed position of belt.
While the other side depends of your habit and body structure.