These smooth, metal butt plugs are easy to insert, comfortable to wear, and fantastic for all experience levels. The slim stem and broad base keep the plug securely in place. Adorned with a beautiful heart-shaped gem, this plug will make you sparkle temptingly. Made of nickel-free aluminum allow, it is heavy enough to provide a greater sense of fullness and can also be heated or cooled in water for temperature play. The non-porous material sanitizes thoroughly with mild soap and water and can be used with any lubricant of your choice. Red Heart Gem Anal Plug specifications: Measurements: Large: 3.7 inches in total length, 3 insertable, 1.6 inches in diameter. Medium: 3.3 inches in total length, 2.5 insertable, 1.3 inches in diameter. Small: 2.8 inches in total length, 2 insertable, 1 inch in diameter. Material: Aluminum alloy, ABS plastic. Available in 3 sizes.