Breathable & stain mesh back for cool sitting and anti-bacteria, allows air and body heat to go through, providing optimal air flow to avoid sweat and humidity. It is designed for easy clean with a dry cloth and a vacuum. Backrest and armrest can be adjusted to a preferable position to hold your spine and armrest, keeping you away from back pain and stiff shoulders. And body-curved support makes office chair more fit for your body and daily needs. Office chair with double padded seat cushion have strong resilience to cradle your body better for health and it won’t deform easily after long time sitting, prolonging the life span. Office chair with height & tension knob for different needs is that you can use the knob to customize your personal height and tilt angle to get best sitting feeling and experience, to relieve body from unsuitable chairs. Equipped with heavy-duty plastic base, meeting room chairs are more sturdy and its maximum capacity up to 300 pounds, which is available for different kinds of people. Easy installation is required. Items come with hardware and necessary tools. Following the instruction, you can assembly it within 10-15 minutes.