Backto20s&reg; Luxury Multi-functional Octopus Chair/Acacia Chair/Hotel Furniture Backto20s is the sole manufacture authorized distributor in United States. Authentic product comes with certificate issued by Back to 20s LLC Backrest can be ajusted to High, Middle, and Low three levels. 360 degrees rotation adjustment. Chair size (assembled) : Length 85cm Width 170cm, Height 105cm Firm and durable steel structure. High-density foam Matress, soft and comfortable ride are lying, leather cover, elegant, easy to clean. Include graphic instruction for begingers to follow.