
Empty Circle Shape Stamp for Children Marker Pen. Customized Porosity: Porosity can be customized to 35-55% according to specific requirements. OEM and ODM Services: Full OEM and ODM services available for design and production based on preferences. High Resilience: Features high resilience allowing for effective compression during use. Solvent Resistance: High resistance to organic solvents suitable for various ink types. Smooth Writing: Ensures smooth writing performance without damaging the paper surface. Wide Tolerances: Offers wide dimensional tolerances for versatile application needs. Free Samples: Free samples are available for customers to test product quality. Specialized Manufacturer: Manufacturer established in 2002 specializing in sintered and ink nibs.