- Suitable for backpack straps with a width of less than 7.6 centimeters
- Air bag filling has a good shock absorption effect, effectively reducing the load pressure
- TPU air capsule matrix arrangement effectively disperses shoulder pressure and has a certain massage effect
- Velcro installation is easy to adjust the elasticity and can tightly tie your straps
- Lycra fabric has good breathability and creates good air flow channels between capsules