Burl wood
+Supermove leather/xipi
+High density sponge
+Germany Suspa air stick
+Imported stainless steel five-star base
Fabric: use high-quality western leather (1.0mm thick), multi-layer bent plate pasted with high-grade tree burl veneer; accessories: use DuPont's PU foaming high-density sponge, 3. Accessories: use German Suspa air pressure rod (with a force of 250kg); Stretching 300,000 times without air leakage; stainless steel five-star feet imported from Germany, the gap error is about 1% mm, the movement noise is small, and the wear resistance is strong.