GOOD QUALITY - These art tray are made of high-quality plastic, sturdy and resistant to drops, with smooth edges all around. They can be repeatedly used for a long time, making them a wise choice for your purchase. PACKAGING DETAILS - Each plastic art tray has dimensions of 28 x 21.5 x 3cm, providing ample space for storing a variety of items. You will receive 20 pieces of trays in total, available in five colors: blue, red, green, white, and yellow. The bright colors are visually appealing. CONVENIENT TO USE - These large art tray can be washed with water, wiped dry with a cloth, or left to air dry. They are easy to clean, stackable for storage, convenient for organizing, and space-saving. ORGANIZE AND CATEGORIZE - Each color of the activity trays can be used to distinguish different types of items, aiding in organization and categorization. Conveniently differentiate and store various types of items. VERSATILE APPLICATION - These spacious sensory tray can be used to categorize and store various accessories for crafting, DIY projects, hardware components, easily misplaced small items, various papers, building blocks, and more.