1.Works with kibble or canned food; 2.Helps reduce the risk of Gastric Dilatation-Volvulus; 3.dishwasher safe plastic; 4.Elegant, no-tip shape, durable; Features: Material: S 24x17x3.8 cm/9.44" x 6.69" x 1.49" inch L 33x23x5.5 cm/12.99" x 9.05" x 2.16" inch