The rolling casters allow you to move easily and smoothly on the office floor. Suitable for any floor without damage.Breathable Mesh Office Chair High Back Ergonomic Desk Chair with Headrest, Desk Chair with Adjustable ArmrestsProduct name: Office chairFabric material: meshWhether it can be raised and lowered: NoWhether it can be rotated: NoErgonomic chair: yesHandrail type: lifting handrailprompt:1. Please check the size and color before buying.2. Please note that due to different monitors, slight color differences may occur, please forgive me.3. The above data reference, manual measurement may be wrong, please refer to the actual product, thank you.4. This product does not include items other than the office chair.