Feature: 1.Hang the quick drain kettle rack at will, free of installation tools 2.Universal styles, suitable for most cups and bottles. 3.Firmly stuck, more stable. Strong versatility, 2.2-4.5CM round pipe and toilet can be used 4.Firm and tough, light and portable, durable and not easy to deform 5.Strollers, bicycles, joggers, motorcycle，etc. can be used. Package Included: 1 * Cup holder