1. Natural materials, no chemicals, can be used with confidence, no need to add lotion shaving foam. On the other hand, you can avoid allergic reactions to chemical hair removal! 2. Using nano-glass technology, the dead skin cells and your hair are removed layer by layer, leaving only an invisible small hair tip, easy hair removal without hurting the skin 3. Reduces the risk of ingrown growth and lowers the rate of regeneration for a lasting net effect 4. Material: Nano glass + ABS 5. Size: 9.5x5.8x3.3cm 6. Weight: 70 grams