The paterson plastic developing tray is a reliable and field-proven accessory for analog photo processing. It is ideally suited for developer, stop, and fixer baths, and is valued by both advanced hobby photographers and professional darkroom users. Manufactured from durable, chemical-resistant plastic, the tray offers long service life, structural stability, and easy cleaning. The smooth interior surface ensures even movement of photographic paper or film material, while the sturdy rim provides secure handling, even when wearing gloves.