【360 Degree Rotation】The holder can be rotated 360 degrees. It can be installed on the handlebar, under the seat, in the down tube, fork, front pipe, and can be used on most strollers. 【Large-caliber design】With large-caliber design (caliber range: about 3.5~5 inches), suitable for most baby bottles, coffee cups and water bottles. 【Multifunctional cup holder】The bottle holder is compatible with most strollers, such as Chicco, Britax, Peg Perego, City Mini, etc. Perfect for mountain bike, bicycles, wheelchairs, electric scooters, rollators and office chairs. 【Universal Bottle Holder】The cup holder is adjustable and suitable for all bottles with a diameter of less than 13 cm, such as water bottle, coffee cup, baby bottle, etc. diameter and firmly tighten the stem of the baby carrier to prevent it from slipping easily. 【Easy to Install】Lightweight and simple to install, you can prepare it without any tools.