This push button, waterproof finger vibe is made of phthalates-free materials, with a spiraled design and a tapered shape for pinpoint stimulation. The bullet is removable, with 3 speeds to please you. Batteries are included for your convenience. Measurements: 3.5 inches in length, 1 inch in diameter. Material: TPR, ABS. Color: Black. Note: Requires 3-LR44 tab batteries, included