Cup Holder - Capable of holding water flask, coffee cups, sports bottles, beverage cans, soda bottles, feeding-bottle, and so on. The installation is simple, and no tools are required for disassembly and assembly. 360º Rotation - The jaw portion of the cup holder can be rotated 360 degrees and adjusted to any angle. So they can be fixed on either straight, horizontal and inclined pipes, or on the handlebar and under the seat. Material and Versatility - Durable PP plastic. Cup Holder can be installed on a variety of vehicles, such as adult bicycles, mountain bikes, strollers, tricycles, umbrellas, armrest, scooter, wheelchair. Relax Your Hands - This combination is perfect for you to liberate your hands. Lightweight, easy to operate and portable, essentials fit for a walk, shopping, or travel. Easy to Install & Light Weight - Does not need to use tools, just need touch a button can be adjusted to adjust the angle!