EVA Material Properties: 1.EVA material is a high-density sponge, does not absorb moisture 2.No blackening/darkening in humid environment 3.Hardness: Around 55-50 degrees 4.Soft & Comfortable 5.Easy maintenance(Use of common cleaning agents, rinse with brush and water) 6.High and low temperature resistance 7.Sound insulation and anti-vibration 8.Easy replacement,Easy installation,No additional auxiliary materials required