Hollow extender dong is a product made in U.K which is used as couple toys, Made by original silicon rubber with attach leather belt which is stretchable in type that mines fitted with any kind of waist size.
This product length is 8 inch in this size 3.5 inch is hollow and left is solid.
Outer diameter of this is 2.5 inch and inner dia is 1.5 inch which is insertable dia.
This product have vibrating mode which is not compulsory at used it will control with a remote as your wish.
This product is good specification and review .