... standard, bright color, firm and useful,special designed Rubber wheel stopperName:Black and yellow rubber wheel stopper,wheel stoppersModel:PWL10101 size ... :500*160*100MMCharacteristics:1.High intensity rubber,firm and useful,special designed.2.Fix the position ... )Lifetime:>8 years5)Fade resistant:Grade 76)Black and yellow alternately,international standard,bright color,effeciently catch ...