when it comes to furnishing an office, study, or leisure space, having right chairs is crucial. our modern stacking office chair of 4 offers a great solution. these chairs are crafted from polypropylene, a high - quality material that ensures durability. color of these chairs adds a vibrant touch to any environment, making space look more lively and inviting. back shell and seat plate of these chairs are injection - molded using - new polypropylene and fiberglass. this combination not only makes chairs strong but also gives them a sleek appearance. seat and are divided into two parts, with featuring a sleek curved design. this design conforms to contours of human back, providing a comfortable support experience. it adheres to ergonomic , which means you can sit for long hours without feeling fatigued. tripod of chair is made of high - quality 11mm solid steel with an arch - shaped structure. surface of tripod is treated with acid pickling, electroplating, or electrostatic spraying. this treatment not only gives tripod an attractive look but also enhances its overall stability. in fact, chair can support a load of 180kg, which is quite impressive. according to general office chair test, it can bear a weight of 180kg, with a one - time tensile test of 108kg for , holding for one minute, and a rubber back of 40kg for 120000 cycles of push - back testing. surface of chair is waterproof, without any watermarks or burrs. this makes it easy to clean and maintain. whether it's a spill in office or a little mess in study, you can simply wipe it clean. design of chair is also very user - . hollow design at back of seat plate is convenient for handheld movement. you can easily move chairs around when needed. seat and back are connected by - slip screws, and decorative strip covers screw holes. this not only makes chair look more aesthetically but also ensures that connection is secure. design can be color - blocked, allowing you to customize look of chairs according to your preference.these chairs are suitable for various scenarios. in an office, they can provide a comfortable seating option for employees, helping them to focus on their work. in a study, they can be a great addition for students to study for long hours. and in a leisure space, they can be used for relaxation. with their modern design style that is simple yet vibrant, they can fit in well with different interior design themes. product has a depth of 19.47 in., a width of 19.8 in., and a height of 34.3 in. it weighs 15.22 lb. package has a depth of 27.56 in., a width of 20.87 in., a height of 19.69 in., and a weight of 66.14 lb. this makes it relatively easy to transport and assemble.overall, if you are looking for a of comfortable, , and stylish chairs for your office, study, or leisure space, our modern stacking office chair of 4 is a great choice.looking for perfect chairs for your office, study, or leisure area? our of 4 modern stacking office chairs is exactly what you need. these chairs are made of polypropylene, a material known for its strength and durability. color of chairs is not only eye - catching but also brings a sense of freshness to space. construction of these chairs is top - notch. back shell and seat plate are injection - molded using - new polypropylene and fiberglass. this process results in a chair that is both and has a smooth finish. seat and are separated, and has a unique curved design. this design is in line with ergonomic , as it follows natural curve of human back. it provides excellent support, allowing you to sit comfortably for extended periods. tripod of chair is made from high - quality 11mm solid steel with an arch - shaped structure. surface treatment of acid pickling, electroplating, or electrostatic spraying not only gives tripod a