【Material】 304 stainless steel
【Process】 Mirror polishing
Snap ring size: There are three sizes available: 40mm / 45mm / 50mm
[Precautions] Please pay attention to the principle of safety, sobriety, and non-compulsion. It is recommended to apply baby skin care oil, lubricant or similar products before use to lubricate.

(Note: The size of the product will have a little error due to different measurement methods, measuring instruments, factory production batches, etc. Generally, the error of ± 2 mm is normal, and it is not a quality problem or a size description does not match, thank you)