[This walker cup holder could be used for wheelchair walker rollator armrest mobility scooter bike stroller trolleys pushchair lawnmowers etc. And it designed with a phone holder can hold your cell phone and bottle steadily at the same time. This bottle holder suitable for all the bottles whose diameter less than 85mm /3.4in. It fit different sizes bottles like water bottles coffee cups drink bottles etc. The width of the cup holder clip can freely adjust from 0.55-1.7 in so the holder can be installed on different styles of wheelchair walker. Itis an ideal accessory for walker wheelchair. Designed of flexible clamps with rubber pad allows 360 degrees rotation as well. There are 3 automatic springs in the bottle cage to keep the bottle fixed inside prevent drinks from spilling and falling down. This wheelchair cup holder is tools free easy to install. It is a clip cup holder.]