Best Friends Forever BFF Purse Pal Pink Bullet Vibrator from SI Novelties. Introducing your new best friend! Sleek and powerful, yet compact, the BFF Waterproof Bullet Vibrator is accessible and discreet for your convenience. Meet the loyal pleasure charged companion you have been searching for. Lasts up to 80 minutes. Comes with two sets of batteries. ABS Plastic Polyurethane PU Coat. Phthalate Free, Non-toxic. Waterproof vibrations. Batteries required 3 LR44/AG13, included. Length 2.5 inches by 0.78inch.