1) knitted fabric
2) 2000# polyester foam
3) 3 cm high density foam
4) non wove nfabric
5) high density foam
6) PK felt
7) 2.3 mm bonnel spring
8) hard PK felt
9) non woven fabric
10) 2 cm foam
11) knitted fabric
2) 2000# polyester foam
3) 3 cm high density foam
4) non wove nfabric
5) high density foam
6) PK felt
7) 2.3 mm bonnel spring
8) hard PK felt
9) non woven fabric
10) 2 cm foam
11) knitted fabric
