Rotatable Seat & Adjustable Height: Adopt a 360° rotating seat, this bar stool set spares you from inconvenient standing up or turning around when chatting with others. The adjustable seat height ranges from 21.7-29.9″, ideal for counter tables and bar tables of 32-40″ high Simple & Stylish: With a glossy steel base, smooth PU leather surface, crisp lines, biscuit tufting, and a classic color palette, this modern stool set exudes sleek elegance. Its simple yet tasteful design effortlessly enhances any space, creating a warm and inviting atmosphere Expanded Base, Improved Safety, Longer Service: The electroplated metal base of this swivel bar stools set is enlarged to 16.1″ diameter, providing better weight distribution and durability. The anti-slip rubber ring further upgrades stability and safety Extra Cozy: Each part of this swivel bar stool set is about your cozy experience. The 2.8″ thick high-density foam-padded seat and a 14.6″ high backrest are covered by soft PU Leather, having your body well-supported, meanwhile ensuring the seat uneasy to deform Easy-cleaning: The water-resistant PU leather surface makes this swivel bar stool set effortless to maintain. Simply wipe it clean with a damp cloth and a few drops of cleanser for a quick, hassle-free clean 4pcs Height Adjustable Modern PU Leather Swivel Bar Stool/ Dining Chair with Backrest/FootrestQuick overview:This adjustable bar stool set is constructed of premium PU, foam, and electroplated steel, with a robust structure capable of holding up to 150 kg/ 331 lb, sturdy and durable for long-term use.The adjustable height ranges 92-113 cm /36.5-44.5″, suitable for all ages and different scenarios. The 360° swiveling design facilitates you to chat with others.The stylish design makes it compatible seamlessly with any décor. This stool boasts a sleek appearance, integrating a glossy iron base, a well-made synthetic leather seat, crisp lines, textured materials, and classic color options, which are simple but tasteful, and capable of adding a welcoming and tasteful atmosphere to your space.How to Dismantle Pneumatic Cylinder? Step 1: Disassemble the seat from the base with a screwdriver. Step 2: Use a rubber hammer to tap on the center of the part that connects the seat and the air cylinder. Repeat 5-6 times until the air cylinder comes off the part.Step 3: Turn over the base. Use the rubber hammer to tap on the center of the base to loosen and disassemble the air cylinder from the base. NOTE: We recommend applying edible oil/engine oil/rust inhibitor to the connection between the air cylinder and the claw base for lubricating.