Diamond Heart Butt Plug Black Large from Shots Toys. Enjoy constant stimulation, because of this butt plug's weight and classic shape. This butt plug is made of Silicone, it features a flexible neck and a beautiful diamond at its flared base. Dimensions package 3.15 inches by 4.61 inches by 2.13 inches. Weight package 2.65 ounces. Product dimensions 3.15 inches by 1.38 inches by 1.38 inches. Insertion length 2.76 inches. Phthalate free body safe materials Silicone. Materials for end stone Acrylic.