This kit is perfect for anal training because each plug is tapered for easy insertion, with a narrow stem and small base for comfortable wear. Graduated in size, all three butt plugs are petite and smooth for newcomers to anal pleasure. Small plug measures 2.75 inches in total length, 1.25 inches insertable, with a 1 inch diameter at widest point. Medium plug measures 3.25 inches in total length, 1.5 inches insertable, with a 1.25 inch diameter at widest point. Large plug measures 3.5 inches in total length, 1.75 inches insertable, with a 1.5 inch diameter at widest point.