Features: 
100% Protect your privacy and package well
High Quality and best workman ship. smooth stainless steel, strong magnetic
Function: lock fine delay, experience more exciting
Material: 304 stainless steel 
Size :
Inner Diameter: 35MM/1.38Inch
S:35x30mm, Weight:448g,
M: 35x40mm, weight:560g,
L 35x60mm, weight:833g,

Package list: 
1 x Ball
1 x Carry Pouch bag

Note: Please allow some measurement error and contact us if have any questions