Specification:
Soft and comfortable material; More lasting.
Glans lengthened, body thickened,help you been a bigger man. 
Tight Fitting and nobbled to improve performance. 
Highly durable of long term use. 
Simple but powerful design. 
One size fits all. Increase in girth 
Helps restrict return blood flow for stronger harder erections. 
The best choice for couple.

How to choose the cup:
When the penis is erect,
wrap a string around the thickest part of the glans and measure the length of the string.
Sleeve sleeves are required to connect the cup and ring

Delivery time:

US: 7-14 days (eBya estimated time is longer)

International: 15-45 days (every country is different, some countries may take longer)