Amazon reveals the top-selling item during its Prime Day extravaganza: Temptations cat treats.

During Amazon's Prime Day sales event, the top-selling item based on units sold was Temptations Cat Treats, according to consumer data company Numerator. While electronics typically dominate Prime Day sales, this year's shoppers focused more on home goods and household essentials. The typical Prime Day shopper was identified as a high-income suburban woman between the ages of 35 and 44, with many purchasing items they had been waiting to buy at a discount.