[Material and Durability]:This adjustable umbrella holder is made ofquality stainless steel and PP material,ensuring its durability and longevity.It is resistant to rust,making it suitable for outdoor use [Size]:The wheelchair umbrella stand with a tube diameter of 20mm,installation diameter of 20mm-25mm,making it suitable for most umbrellas.It's designed to hold your umbrella securely in place [Versatility]:This multifunctional bike umbrella holder can be used on various vehicles such as bikes,motorbikes,,baby pram,wheelchairs etc.,providing you with shade and from the rain while on the move [Adjustable Design]:The bike umbrella frame stand features an adjustable design that allows you to change the angle of your umbrella according to your needs.This ensures optimal coverage and from sun or rain at all times [Easy Installation]:With its clamp on design,this umbrella holder bracket can be easily fixed onto your vehicle without any tools required.Its grip ensures that your umbrella stays in place even during windy conditions