Material: Top Quality Solid Stainless Steel, Never Rusty Cage size: detail in the picture Ring size:40/45/50/55mm ,you can choose only one ring from these sizes. One cage comes with only one ring. Privacy Guaranteed: Your privacy is the utmost importance to us. The default name on the package is "plastic toys"(any other requirements, please send us a message), and with our discreet packaging you can shop in confidence, the only person who knows what's inside the package is you!