fits different types and sizes of cups. Capable of holding bottles, coffee cups, water bottles, beverage cans, drink bottles, and so on. Our cup is lightweight, and sturdy, can enjoy using it for a long time. Multi-function cup holder can be used for carriage, wheelchair, walker, bicycle, scooter, handrail, trolley, carriage. Features -Color:Black -Material:Plastic -Size: 13.00X10.00X8.50cm/5.11X3.93X3.34in -Inner diameter: 8cm -Easy to install, no tools, no assembly, you can use it anywhere on the chair, making everyday life easier. -It has strong bearing capacity, wear resistance, will not fall, deform or break easily. Compatible with different bottles, suitable for baby bottle, water bottle, coffee cup, beverage bottle, beverage cup, etc. -Made of premium and , this Bike Cup Holder is sturdy and can withstand long time using. -Proper size and large enough of the opening, can store most bottles, beverage cup, drinks cup and so on. -It can be mounted on the handle or pole of a chair or bicycles so that you can easily up your drink when you need to drink. Package list: 1 Holder