Ergonomic Height Adjustable Balance Foot Stool at Work Wobble Chair for Home Office Sit Stand Desk Stool with Natural and Active Posture (White)

How much does stool weigh? I will be moving it from place to place. Is it really only 12.4 lbs?

Can I have the dimensions and specifications of the gas spring of the stool? Is this a 5" , 8" or 10" ? Thanks

Can this be used on treadmill?

I wish this was all white and didn’t have the black seat and chrome! Question is obviously to seller only: do you have a seat replacement cover in whi