★【Adjustable functions】The adjustable headrest provides the most comfortable position for your neck. Adjustable backrest and height can be achieved by tilting the locking mechanism lever for easy and convenient operation.

★【High-quality materials】Breathable mesh promotes air flow, stays comfortable and is durable.The sturdy and quiet wheels are suitable for most kinds of floors, with high quality materials for safety and stability .

★【Ergonomic design】The ergonomic design digital model approved by the Ergonomics Application Association protects your spine , provides the most comfortable sitting position for sedentary people.

★【EASY ASSEMBLY 】The package is equipped with the tools and gloves required for installation, and comes with clear instruction to help you install quickly.

★ 【Warranty】Product warranty period is one year. If there are any quality problems, please contact us. After confirming, we will provide a replacement part or product for you. SIHOO provides full parts coverage for the three years of the warranty period, at zero cost for you!