Key FeaturesAnti-Skid Surface: Often features a rubberized or textured silicone lining designed to prevent plates, glasses, and food containers from sliding.Material: Typically made from heavy-duty, BPA-free polypropylene (PP) plastic, fiberglass, or melamine for durability in high-volume environments.Design: Features a low-profile, stackable design with raised edges to help contain spills.Resistance: Designed to be both heat and cold resistant.