Specifications: Color: Black & Gray Material: Sponge Linen-Like Fabric Birch Plywood Overall Dimension: 28" x 18" x 22" (L x W x H) Size of Seat Cushion: 15.5" x 12" x 3.5" (L x W x H) Size of Kneeling Cushion: 18" x 10.5" x 4" (L x W x H) Clearance Between Seat Cushion & Kneeling Cushion: 3.5" Width of Frame: 13" Max Load Capacity: 330 lbs Rocking Range: -30°-60° Net Weight: 14 lbs Package Includes: 1 x Kneeling Chair 1 x User Guide

-Max 4" thick cushion is made of premium linen fabric and sponge
-With a safe rocking range and a stable triangle frame for higher security
-Reliable rocking base is fitted with extra crossbars for higher strength
-Rocking function to ensure that pressure on your spine will be relieved
-Scientific addition to correct your sitting posture for health
-Kneeling chair for multi-scene use including home office school etc
-Multifunctional to work as a desk chair a meditation chair or a typing chair
-Comes with a detailed manual to realize a simple installation
-Decent dimension allows the kneeling chair to be stored under the desk
-Simple and modern appearance is loved by lots of people