The Vibrating Rabbit Dong has a firm yet flexible shaft. Dual motors and a powerful suction cup base is sure to please. Compatible with many of Nasstoy's harnesses. Variable speed, waterproof and phthalates free. Materials: Shaft - TPR, Base - ABS. Length: Dong-8â  - overall length, 4â  -insertable length, 2.875â   x 1.25â   rabbit. Uses 3 AAA batteries.