Trays are generally flat, shallow and mostly rectangular with raised edges at the sides. They could have handles that are cut out from the raised sides.
They are made of different materials like wood, cardboard, molded pulp, or metals like stainless steel, brass, or even silver. They are predominantly used in the restaurant business. In restaurants and delis, trays can hold the vessels that have food or in some cases the food directly.
At PacknWood, our Paper Trays are generally cardboard trays. "Buzz" Cardboard brown trays with or without lids, Cardboard Kraft lids and trays, Cardboard Mini Cup holders, Kraft Meal Trays with lids are some of the products that we have.