1.EVA2.Imported3.Ethylene Vinyl Acetate sole4.Ergonomic Design The engineering design of the hollow foot bed can effectively support the foot ,the front sole to back high design ,fit the curve of the foot pelvic floor walk not tired foot.5.Thickened Soft Sole & Suspension designThe sole is 1.77-inch thickened sole raising effect twice that of ordinary sole, give your feet ultimate comfort and pain relief.About 30 forward tilt head protection design, forward and backward shock absorption, reduce foot damage6.Wavy Non-Slip durable wavy slip EVA outsole Waterproof, non-slip and give your feet a good grip with no slippage and good balance.wavy design increases friction, not easy to fall.7. EASY CARE Waterproof & Washable, and these bath slippers wont make awkward squeaky after shower