Starting out with an anal plug can be a fun time, but if you use the wrong plug it can be painful. The anal plug that will work best is going to be the ones that are slender and comfortable. That makes the Inya Prince Small anal plug with its slender size to be one of the best that you can find for comfort and for just starting out for the toys that you want to use. Product Dimensions: 4.5" x 2" x 0.8".