Mobile device for cleaning reusable metal and plastic spatulas or spatulas.This is a red container for cleaning spatulas, also known as a "spatula cleaner" or "clean box".It is designed to remove putty from putty knives by inserting them into a slot on the lid, often containing solvent or water and abrasive material.Mobile device for cleaning reusable metal and plastic spatulas or spatulas. This is a red container for cleaning spatulas, also known as a "spatula cleaner" or "clean box". It is designed to remove putty from putty knives by inserting them into a slot on the lid, often containing solvent or water and abrasive material.