These bumpers are designed with one purpose above all else; to take a beating. East West bumpers kg are made from 100% virgin rubber, tested to 10 000 drops, and are guaranteed to be within +/-1% weight tolerance. Our 5kg plates feature a broader than standard base to prevent misshaping and ensure longevity. East West bumpers kg also boast a very low bounce, so you don’t spend your workout chasing your bar and endangering others.