1.compared with ordinary double 24tube, avirulent insipidity.
2.will not turn yellow
3.resilicence force is strong

1.materials:100% silicone material

2.certificate:FDA.SGS

3.suitable for different enviroment

4.dust proof, waterproof,seal,suspension

5.non-toxic, insipidity. accord with environmental protection concept

6.the charge of the sample fee:free

7.package:customized or double package which is suitable for the shipment