Caliber: 22mm. Non-slip grip, easy to put or take off. Soft durable rubber, anti-bacteria and strong wearability. Material: Plastic rubber. Can withstand the cold at -30 without changing the soft and hard feel.

Caliber: 22mm. Soft durable rubber, anti-bacteria and strong wearability. Material: Plastic rubber. Can withstand the cold at -30 without changing the soft and hard feel. Non-slip grip, easy to put or take off.