... bottom:dty thickness: 4mm. weight:280gsm NYLON DTY ELASTIC SPACER MESH FABRIC: face is made of nylon, bottom is ... made of dty,and the middle is the 40d yarn.with high ... resilency,mainly used for mattress,bed,and car seat cushion,etc. ... Soles5)Medical Products6Neoprene Replacement7)Body Armour ELASTIC SPACER MESH FABRIC