Features: -The surface has three-dimensional anti-slip particles, which can effectively increase resistance and prevent accidents. -With 2 luminous circles, it can easily deal with emergencies at night and ensure safety at night. -The rounded corner design is smooth and burr-free, and will not scratch the skin. -The reinforced base makes the armrest stable and not easy to shake. -The thickened inner tube has strong load-bearing capacity to ensure that it will not fall during use. Specification: Colour: white Size: 39.5*3.5cm Material: stainless steel+nylon .