Easy to Use: Heart punch with a lever mechanism that is quite easy to use! The paper punch can be pressed down easily. Perfect for teachers and scrapbookers. Wide Applications: This heart punch is suitable for paper thickness 70-220g. The heart paper punch can be used for most cardstock, regular paper, foil paper, and craft paper with a base thickness of less than 2mm, and EVA (EVA thickness must not exceed 1mm). Heart Punch 3-pack: The heart punch is made of ABS and zinc alloy. This craft paper punch creates a perfect heart shape. Punch quickly and you get a cutout with neat edges. Precise Punch: With reinforced hard springs inside, these paper punches in different sizes (5/8 inch, 1 inch, and 3/8 inch) can cut out the heart accurately and cleanly. It would be your excellent scrapbooking tool to work or study with. Note 1: Do not use on thin paper, soft paper, tissue paper, paper that is too thick, sticker paper, adhesive vinyl, felt, and plastic film. Note 2: You can use aluminum foil to punch the paper sharper and then make holes faster and better.