1.EVA2.Imported3.Ethylene Vinyl Acetate Sole4. Ergonomic Design The engineering design of the hollow foot bed can effectively support the foot, the forefoot and the back are high design, fit The pelvic floor of the foot curve does not tire the feet when walking. 5. Thickened Soft Sole & Suspension Design Sole The 1.77-inch thickened sole has twice the lifting effect of ordinary soles, giving the feet the ultimate comfort and pain relief. About 30 degrees of forward tilt head protection design, front and rear shock absorption, reduce foot damage6. Wave Non-Slip Durable Wave Anti-Slip EVA Outsole Waterproof and non-slip, giving your feet good grip, no slippage and good balance. The wavy design increases friction and is not easy to fall. 7. EASY CARE Waterproof and washable, these bath slippers won't make an awkward squeak after the shower.