VEWINGL Desk Calculator 12 Digit, Large Computer Keys,Desktop Dual Power Battery and Solar, Calculator with Large LCD Display for Office,School, Home & Business Use,Automatic Sleep.7.6 * 6.4in

【Breathable Mesh Home Office Chair】The office chair is made of breathable PE polyester elastic mesh that keeps you cool and comfortable. This high-quality mesh resists abrasion and transformation, and the high mesh elastic seat cushion will help you sit more comfortably promotes good air circulation, and keep you cool even when sitting for long periods of time.
【Adjustable Lumbar Support & Backrest】The lumbar support could be adjusted back and front 2in, and the backrest is adjustable up and down 5 levels, which makes the ZLchair home office chair your best choice to protect your spine from the pain and fatigue of sitting for a long time.
【Ergonomic Design Comfortable Chair】ZLchair office desk chair adopts the most suitable ergonomic design according to the human body structure, adjustable headrest, and lumbar support which creates total spinal support, and arched seat cushion design reduces the pressure on the legs, the office chair adjusts with postures to hold spine perfectly and ease pressure & pain on back and legs for everyday use.