Mikasa Riverside Park Mugs (Set of 4) for $29.99. Shipping is $7.95 for a total of $37.94 shipped, or free on orders over $99. Here is a screenshot for your reference. The mug is made of white bone china and has a 12-ounce capacity. Most places have one mug for about $24, making the set of 4 cost over $95.