Domestic first 

Newest silicone version CB3000

Silicone cage length: 6.5 cm 

Diameter: 3.5 cm 

Three card ring diameter: 4.1 cm， 4.7 cm， 5.0 cm; thickness of 3.2 cm 

Accessories: Silicone cage 1， silicone snap ring 3， a one-time coded lock 5， Tongsuo one， key 3， Article 2 tied lock， latch 1， packaging one.