1. Material: zinc alloy + nylon + stainless steel 2. The lock is made of zinc alloy, and the combination wheel is made of ABS, making it durable and sturdy. 3. Locking is more flexible, with fine serrations for a non-slip feel. The tie can be adjusted to the desired tightness based on the size of the object. 4. Easily fits through the helmet vents, making locking more convenient. 5. Three-digit combination for one-touch unlocking. No key required, just push the switch to unlock. 6. Striped card slot for easy finger application and increased friction. 7. Widened and thickened internal steel bars for added strength and durability. 8. Locking buckle for stronger engagement.
