The slideway is made of aluminum alloy, and it is safe and non-toxic. It is suitable for drawer, cabinet ,experimental drawer and decorative cabinet. It is sturdy and durable for long use. Features: High quality: made of aluminum alloy, safe and non-toxic. Suitable for drawer, cabinet, experimental drawer and decorative cabinet. Smooth slideway: designed with the smooth slideway, convenient to use. Easy installation: easy to install the slideway, just use the screw fix the slidway. Durable: the slideway is sturdy and durable for long time use. Specifications: Condition: 100% Brand New Material: Aluminum Alloy Color: Silver Length: 70mm, 100mm, 140mm, 250mm(Optional) Width Size: approx. 1.6cm/ 0.62in Weight: approx. 25~95g/ 9.84~37.40oz Acceptable Weight: 8-10kg/ 282.19~352.73oz Package List: 2* Slideway Note: 1. Please allow 0-2cm error due to the manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.