Pica Classic 528 Permanent Marker XXL, Black is a versatile permanent marker designed to work on almost all surfaces with ease. It features permanent alcohol-based ink that becomes waterproof and indelible in approximately five seconds, ensuring your markings stay clear and long-lasting. This marker is formulated without toluene and xylene, making it a safer choice for everyday use. Its bold black ink delivers excellent visibility and durability, i for various applications where permanence is essential. Model Number: 528/46/SB