Topstar seat HxW 530 – 640 x 375 mm, seat HxW 530 - 640 x 375 mm, black

4D Sitness stool, seat HxW 530 - 640 x 375 mm, black. Supplied = assembled. Seat material = 95% polyester, 5% elastane. Type of height adjustment = gas spring. Frame material = plastic. Frame colour = black. Foot plate diameter = 360 mm. Seat design = ergonomically shaped. Seat width = 375 mm. Seat depth = 360 mm. Max. load = 110 kg. Period of use/day = up to 4 hours. Product type = office stools. Customs tariff number = 94013900. Country of origin = DEU. Gross weight = 13.7 kg. Weight = 10.9 kg. The lifestyle stool for dynamic sitting. Infinitely adjustable seat height using the lever at the side of the seat. Ergonomic seat. Trains the back and spine, takes the strain off the spinal column. Guarantees freedom of movement and invigorates the circulatory system. Improves the ability to concentrate and improves performance. Newly developed alternative seating, actively encourages more movement and free, upright posture when seated. The unique Sitness® technology ensures three dimensional sitting and therefore keeps you in motion, even when seated. The unique Sitness® technology decouples the rigid connection between the chair base and seat and creates a dynamic connection instead. The freedom of movement in every direction makes for more active sitting, allowing you to train your spinal muscles without realising it, and thereby prevent back pain. The spring mechanism inside the chair encourages more movement and also provides a pleasantly soft feeling on the seat. Trendy lifestyle product for versatile use in the office, home office, children's room, workshop and household for health aware people.