Double Hole Design: Our pencil sharpener has two different sizes of sharpening holes, simple and practical, convenient for you to sharpen different sizes of pens, you just need to put the pen to be sharpened into the sharpening hole and rotate it. Safety and Durability: The pencil sharpener's shell is made of high quality plastic, sturdy and durable, and the inner part is made of high quality stainless steel blade, sharp and not easy to rust and break, and there is a protective cover on the outer side to prevent water or debris from entering. And the sharp blade wrapped in a sturdy plastic shell can prevent the pencil sharpener from harming your child's hand. Easy To Clean: The pencil sharpener's plastic casing temporarily stores debris from sharpening, so all you have to do to clean it is remove the casing and shake the debris into the rubbish bin. Cute: The size of 4cm*4cm*2cm mini pencil rollers are easy for kids to hold and have four different colours, red, blue, yellow and green, let your kids love them. Wide Application: Two different sizes of holes for different types of pencils, can meet the needs of students, teachers, adults at school, home or work.