Turn your walker into an indoor / outdoor glider when you slide the pre-cut tennis balls onto the legs of your walker. Glides easily over wood and linoleum floors without leaving scuff marks. Helps glide smoothly over rough, uneven outdoor surfaces.
There was mention of these tennis balls being used inside or outside but I don;t see how. They are good for indoors but it seems that they should have some smooth glider bottom for outdoor use. There aere not enough directions for use, just how to install them. A good product would come with enough information on how to use them correctly.
Bottom Line No, I would not recommend this to a friend