Product Description Compatibility: This quick release cup holder is perfect for mountain biking, cycling, strollers and wheelchairs. Compatible with most baby strollers, such as Chicco, Britax, Peg Perego, City Mini and so on. Features: 1, the bicycle cup holder can be rotated 360 degrees. It can be installed on the handlebar, under the seat, down tube, fork, front pipe and can also be used on most strollers. 2, Made of high quality durable ABS plastic material and metal parts, very durable. Designed to keep cups, cans and bottles. 3, easy to install, you can prepare it without any tools. Specifications: Name: Bicycle Cup Holder Material: ABS plastic + metal Color: Black Size (Bottom Diameter x H): 2.76*5.51"/ 7cm*14cm Cup holder diameter: about 7cm~8cm Adjustable clamping diameter: about 0.59"-1.57" / 1.5cm-4cm Weight: about 100g Package includes: 1 x Bike cup holder