QUICK.SAFE: 12.5cm inch width blade makes the shaving quick and easy. Adjustable 24-29cm curved handle help reach any sections of body. The razor covered by skin-friendly safety plastic teeth; protect your skin from scratching or pain. LOW COST: No worry about future purchase on the replacement, no extra 10 dollars on specific new blade head, only a few pennies on the razor with universal size. Also the double edge halved the cost for the refills. WET.DRY: The blade head designed to work in both wet and dry situations; you can finish your body trimming without worry about where or when. Sturdy shaver made from ABS plastic and lightweight steel covered with waterproof coating. EASY REFILL: Simply twist the head to remove or re-install the head, take off the locker on both side of the head, then you can remove or change side of the razor easily, install the new razor from side to side, done within 30 seconds.