Features: Universal adaptive design: Suitable for 99% strollers, can easily installed with just twist of the knob, and is suitable for baby strollers/pocket strollers/baby walking tool/electric bikes/bicycles and more. Foldable storage: With folding structure, it can easily stored when not use, saving space and making it easy to carry. Stable support performances: The specially designed cup holder shape and ensures that the bottle, cup, or kettle is stable and not easily tilted when placed. Adjustable rotary knob: Stable and not shaking. The adjustable rotary knob is suitable for various types of trolley frames, and can use for both round and flat pipes. The anti slip gasket is upgraded to prevent scratches, and the car pipe is firmly clamped and tightened. Convenient cleaning and maintenance: Smooth without dead corners, and daily cleaning and hygiene can maintained by simply wiping. Improving the walking experience for children: freeing up hands, allowing parents to easily manage their baby drinks while taking them on trip, making it more relaxed and comfortable. Fashionable and simple appearance: The design is simple and elegant, harmoniously with various styles of baby strollers, adding overall beauty. Specifications: Component: ABS Color: black Size:approx. 11.7x9cm/4.61x3.54inch Suitable for water cup with a diameter of about 8cm/3.15inch Package Includes: 1 Piece Foldable Baby Strollers Cup Holder note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.