Our chairs are designed to be comfortable. They are ergonomically designed to move easily whether you are working or playing games. Our backrest supports your back, making you feel comfortable and relaxed! This chair has various designs. For example, our backrest is made of mesh, which is more breathable and flexible. Our handrails are fixed handrails. When you work, study or play games, you can maintain a certain height and position for a long time, which is convenient and comfortable. In addition, our pallets are used for better work and rest and are more stable. Our entire chair is designed with an ergonomically curved backrest to protect the spine and provide you with more room to release. We also designed the back lumbar support, which can better maintain your waist when you lie down tired. Are you impressed with all the design features? Don't worry, there's more! The advantage of our office chair is that it not only helps to maintain the correct sitting posture, but also helps to relieve stress! Our air rod has passed ansi/bifma*5.1-2017 certification. It is a reliable and solid choice for users who weigh no more than 330 pounds. The height of the air bar is adjusted to 10cm, so you can adjust it to the height you like. Built in high-density native foam and recycled foam, soft enough to make you happy all day! (product color: black product overall dimension: 65*48*102.5 (CM) load bearing: 330 pounds style: modern simple style applicable scenario: office, living room, study, game room packaging: side sealing box and super large sealing machine, carton sealing, equipped with five additional pull horizontal sealing machines, foot boxes and separate cartons for separate packaging. Note: * * * Please be sure to install the product according to the instructions. 1* net chair 1* screw set and tool 1* descriptionNote; this item arrives in 5-7 business days from the US