WESTERN USE BEST QUALITY SILICONE RUBBER TO MANUFCATURE FLEXIBLE CUPS AND SUCKERS , WESTERN POLYRUB CUPS HAVING RESISTANCE FOR TEMPERATURES RANGING FROM -60° F TO +400° F (-51° C TO +204° C) AND ARE MADE OF SILICONE THAT COMPLIES WITH FDA 21CFR 177.2600.AND ECC-19352004 WESTERN DEPPANER CUPS ARE ALSO AVAILABLE IN METAL-DETECTABLE SILICONE RUBBER.