The case compatible for PS1（1M)/PS2(8M/16M/32M/64M/128M/256M) Memory Card Application: The case compatible for PS1（1M)/PS2(8M/16M/32M/64M/128M/256M) Memory Card Transparent Protective Pox: These transparent plastic boxes protect your memory cards from dust, dirt and damage Compact Design: The compact cases are lightweight and space-saving, so you can take your memory cards anywhere Easy To Use: The boxes are easy to open and close to store your memory cards safely and quickly remove when needed Third Party Products: This is brand products, not original