the Markings on Each Craft Hole Punch Make It Easy for You to Find the Hole Punch Shape You Want. You Can Effortlessly Slide the Paper into the Cutting Edge & Align It Correctly. Our Hole Puncher for Childrens is Made of High-quality Metal & Plastic, with a Plastic Casing to Prevent Potential Hazards. the Internal Stainless Steel Metal Material Perfectly Cuts Paper, with No Burrs or Sharp Edges on the Edges of the Cut Paper. Our Hole Puncher for Crafts is Suitable for Childrens Small Hands. Both Adults & Childrens Can Use It with Confidence, as Its Operation is Both Simple & Safe. the Spring-operated Punch Ensures Easy Operation, & the Narrow Groove Helps Prevent Any Risk of Injury to the Little Fingers. (note: Childrens Need to Use It Under the Supervision of Parents & Adults.