The tunnel is going to make sure your bladder will not explode when wearing this urethral insertion sex toy for extended periods. Perhaps you want to cum with the plug in and this will be an experience to remember.
Material: Stainless Steel
Length: 9 cm/3.2 inches
Insert Length: 7.5 cm/2.9 inches
Insert Max Dia: 1.18 cm/0.46 inches
Glans Ring Dia: 3 cm/1.2 inches
Net Weight: 0.059 kg/0.13 lb/2.08 oz