Please take note: Due to packaging issue, kindly order one unit per order. Please separate order if you need to purchase 2 units and above. Refer the link below to see how to assemble https://www.youtube.com/watch?v=gVfptmXj1zg&t=3s The design of Sunon's Butterfly Chair is inspired by the shape of a butterfly, with a smooth and elegant outlook. Thus, the chair is endowed with a connotation of “break the cocoon and transform into a butterfly” and inspires us to achieve our potential. The unique Y-shaped back is like the stretched wings of a butterfly, giving it a distinct, graceful, and unique appearance. Product features: Dimension - 620mm x 620mm x 1120 - 1210mm Colour - White Frame (Grey mesh + Grey seater), Black Frame (Grey mesh + Beige seater), Black Frame New (Grey mesh + Black Seater) Headrest - Adjustable headrest Backrest - Flex-back and lumbar-free designs in an S shape perfectly fit the curve of the human spine and bring unparalleled comfort. - Elastic and breathable Wintex fabric imported from Korea Seater - Elastic and breathable Wintex fabric imported from Korea Armrest - Adjustable armrest Mechanism - 3 locking position - Adjustable height Legbase & Castor - High quality nylon leg base with 360 degree silent caster Storage function: Y-shaped backframe comes with with a 40cm*50cm storage space for personal items such as cushion, pillow, bags and file. Warranty - 1 year warranty on manufacturer defect.