The Vibra Slim Plugs feature an inner weight that moves with you to engage muscles and enhance sensation! The Ultrasilk Silicone, known for its silky smooth texture, warms up beautifully with your body heat. Your movements activate a ball bearing within this smooth silicone, complemented by a comfortable anchor base plug that introduces new sensations. This plug measures 8.9 cm in length (7 insertable cm) and 2.5 cm in width, making it an ideal size for play. Crafted from smooth, body-safe silicone, this plug is free from phthalates, paraffins, and latex. - 8.9 cm Length (7.6 cm Insertable) x 2.5 Inch Width - Emits Vibrations via Movement of an Inner Bearing - Slim Anchor Base for Comfort - Does Not Require Batteries - Made from Satin Smooth, Body Safe Silicone. Contains no Fragrances, Phthalates, Paraffins or Latex