The Beginner's Power Beads have a tip of 0.5 inch wide for easy entry before gradually expanding to 1.0 inch The flexible shaft bends with your body's contours, while the powerful whisper-quiet motor is controlled with just a twist of the base.Enjoy the thrilling sensations of anal pressure and pleasure by popping one bead in at a time, inserting as many as you feel comfortable with before gently tugging the hand unit to release each bead for even more stimulation.