Note:1.When receiving the goods, please confirm the product according to the listing of instructions. Once you find Less pieces, please provide relevant pictures to contact us. We will deal it in the time.2.Please install goods with the instruction manual.3.It is recommended that the installation should not be too tight to adjust easily. After the structure is installed, firm the interface for more stability.Specifications:1. Cushion Depth: 15.75" / 40cm2. Cushion Width: 16.93" / 43cm3. Backrest Width: 16.93" / 43cm4. Backrest Height: 12.6" / 32cm5. Cushion from Ground Height: (23.62-31.5)" / (60-80)cm(Adjustable Height)6. The Bottom Diameter of the Bar Chair: 15.16" / 38.5cm7. Filler Material: High Density Sponge8. Surface Material: PU Leather9. Chassis Material: Chrome Plated Steel10. Pneumatic Rod: Nitrogen Hydraulic Pneumatic Rod11. Color: Black12. Whether with Handrails: Yes13. Bearing Weight: 150kg / 330.69lbs14. Single Bar Chair Weight: 8.3kg / 18.3lbsPackage Includes:2 x Bar Chairs1 x Installation Tools1 x Assembly InstructionNotes：1. Please remove the black screw on the top of the air rod before assembly.2. The product should be placed in hard floor for use. Please do not put it on the soft carpet or uneven ground to avoid tipping over during use.3. The bar stool is for adults. If you have children at home, please be careful not to let them climb into the bar stool. If the child climbs up, it may fall over.4. To raise the seat, remove your weight from the chair, then pull up on the pneumatic control handle. To lower the seat, stay seated and pull up on the handle until you're at the preferred height.These stools are suitable for the kitchen islands, bar, work tables, counter, home, Kitchen, cafe and vanity room more.