... 2.Low thermal conductivity 3.Closed-cell flexible 4.Fire proof, Moistureproof 1.Thermal insulating for ... 3.Closed-cell flexible 4.Fire proof, MoistureproofBellsafe-flex adopting NBR/PVC as the main raw material ... Main material : NBR/PVC ID size:1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1 ... 4", 1", 1-1/4" Length: 1.83m or 2mcompetitive price and high quality can beat any competitorPacking photo : NBR/PVC ...