You can start with either a small or large sized bulb and slowly start inserting, while its shape starts to rub on all the right spots. Since it is made from steel, you will get a smooth entry and exit. Because of its design, this Anal Plug makes a great toy for g-spot and p-spot stimulation.

Made out of surgical 316 stainless steel and superbly polished, this sex toy is absolutely pure, smooth, safe, and waterproof. You can enjoy and share more bathroom fun with your partner. The metallic weight adds to the overall performance and sensations of internal massage as well.

It is also perfect for temperature play:

Immerse the wand into iced water to experience a cool feeling.

Immerse it into hot water, to experience warmth inside you. 

Material: Stainless Steel 316L 
Dimensions:

Length of tube: 5.12 inch / 130 mm 
Ball Diameter: A: 1.57 inch / 40 mm - B: 1.33 inch / 34 mm - C: 1.02 inch / 26 mm - D: 0.95 inch / 24 mm