The tail is made of silica gel.It's very elastic, it's very soft, it can move with your body very easily.

100% Silicone throughout for durability. 
 
Size
 
         Insertable Length       Diameter
M:           6.5cm                   3.8cm
L:            8.2cm                   5.0cm

 
Tails are not designed to be sat upon directly.
 
  we beed 7 or 15 days to make it
 
      If you have any questions about the product, please leave me a message because of the time difference. I may not be able to reply to you immediately. I will reply to you as soon as I go online     
 
 If the product has quality problems, please contact me immediately. I will immediately arrange the return and replacement for you