This cane base makes most canes self standing, while traction is increased on varied terrain including grass, gravel and sand due to the tread pattern on the bottom of this cane tip as well as the extra width of the tip. It is made of rubber for durability, quiet walking and flexibility.the bottom of the hole has a piece of steel molded in so your cane will not break through. Best of all if you drop your cane just simply press one lug with your foot and it will return to a standing position.Material: RubberSize: 5*6*1.9cmColor: blackPackage Included: 2x Crutches TripodsNote: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.