Safety and environmental protection The shell is made of ABS resin, which is wear-resistant and resistant to falling, BPA-free, smooth edges, no peculiar smell, and not easy to breed bacteria. Has passed strict laboratory tests. 2 Charcoal pens, colored pencils, charcoal pens and various shapes of pens, etc. Guaranteed to last a long time- With high quality stainless steel helical blade, strong and durable, it can sharpen quickly in 5-10 seconds. The sharpener gives you up to 3000 rounds of sharpening without wearing out. Small and light, you can take it everywhere. Child safety! Manual pencil sharpener can avoid charging and changing batteries. To prevent electric shock to children or battery fire, the sharpener's enclosed design keeps fingers away from the sharpener. Easy to use, saves time and effort - Pinch gently the wooden knob, you can insert the pencil, loosen the knob, the pen holder is stable, and the opening is 8.0mm. Not easy to slip. There is a non-slip pad on the underside. The table top can be placed firmly Easy to cleanOpen the lid of the jar and pour out the pencil shavings when you're done, it won't add too much trouble. If you have any questions during use, please contact us. The large transparent chip slot rarely needs emptying and is easy to clean. Simply remove the chip tray and throw it in the trash.