Customers say this shaker cup features vibrant, eye-catching colors that many find appealing. The color combination receives frequent praise, though some note the yellow appears darker in person. Many reviews mention its practical size for carrying around and everyday use. Users appreciate its functionality for various beverages, with several noting its good build quality and ease of maintenance. Some share it as a popular gift choice for friends and family members. While most prefer the bright design, a few express preference for other color variants.