Master Series Crimson Tied Scarlet Heart Jewel Anal Plug Red Gem Steel. Surprise your lover and get your heart on with the Scarlet Jewel Anal Plug. This shiny metal butt plug has a classic shape and an endearing heart shaped jewel for stimulating and visually stunning anal play. Durable yet lightweight, this gun metal gray plug is made of a smooth zinc alloy, comfortably weighted for just the right amount of stimulation. The slim shaft helps it stay in place, great for long term wear. Measurements: 3.25 inches in total length, 2.75 inches insertable, 1.25 inches in diameter. Materials Zinc alloy, plastic. Color Gray plug, Red stone.