These beautiful Koi Fish Figures have a lucky coin embedded in the bottom of them. Lucky Chinese coins are round with a square hole in the center. They represent both heaven (circle) and earth (square). Additionally koi symbolize strength, courage, patience, and success through perseverance. Very popular as feng shui wealth enhancers around your home and business. They are about 2 1/2'long x 1 1/2" wide. They are shipped in an assortment of colors in sets of 8.