This is a ZAK! Designs Mixing Bowls Nesting Melamine Red Flower Shaped 4 Pcs Set. Made from durable melamine material, these solid red mixing bowls have a unique flower-shaped design. The nesting feature makes storage convenient. The 4 bowls measure as follows: 4 3/4", 4.2 oz., 6 3/4", 6.3 oz., 8 3/4", 10.6 oz., 10 3/4", 1 lb.13 oz. These bowls are preowned but not used very much.