Colour: as shown in the picture Material: aluminium alloy Size: No.1 30-50cm, No.2 40-70cm, No.3 55-90cm Package Content: 1pc Corrosion and rust resistant: made of durable stainless steel and plastic with brushed finish; Using electrostatic technology to avoid rust, feel smooth and exquisite, reduce friction and suspension Easy to install: tension rod is simple to extend, pull and twist, no tools, no drilling, no damage; The non-slip rubber heads in both ends of the rod increase the friction, convenience for your use Note: -Please allow a little size error due to manual measurement. -Please be reminded that due to lighting effects and monitor's brightness\/contrast settings etc