This developing tray features a leak proof designs, ensuring that your developer stay contained and your work space remain clean Great for use in darkrooms, photo studios, or photography classes where film and paper development is part of the creative process Designs for photography enthusiasts, professional photographers, and students like to possess the art of darkroom techniques the precise of traditional photography with our user friendly developing tray, a must having accessory for preserving art of film development Elevates your darkroom photography with our developing tray, designs to deliver images result for film and paper processing