This eye-catching Trainer Kit includes three multi-colored plugs in graduated sizes with long necks and tapered tips for easy insertion—ideal for training solo or with a partner. Made of firm, pliable silicone. Suitable with all lubricants. Dimensions S: 2.74 x 1.7 x 1.7 Dimensions M: 3.82 x 1.89 x 1.89 Dimensions L: 4.96 x 2.48 x 2.48 (Inches) Package Dimensions: 6.38 x 7.09 x 2.64 (Inches) Insertable Dimensions S: 2.2 x 0.96 Insertable Dimensions M: 3.11 x 1.34 Insertable Dimensions L: 3.94 x 1.76 (Inches) Product Material: SILICONE