Hole / Strip punch card Hole or strip can be punched on your card. The size of hole usually to be 4/5mm, yet the strip is 3*15mm. With the hole/strip, you can hang the card with traps. (Plastic hole punched card printing, Plastic hole punched card supplier, Plastic hole punched card manufacturer, Plastic hole punched card wholesaler, Plastic hole punched card company, Plastic hole punched card factory.)