NBR foam grip 1.pass EU environmental protection test 2 ... Dimethyl Fumarate) , Dimethyl Formamide,APEO,AZO,NP(Nonyl Phenol),Color fastness,Chlorcosane, REACH,Formaldehyde, EN71 standard and Aging-resistant ... resistance and anti-tensile strength.Custom size shape and color.Ps:our smooth surface tubes are waterproof and easily ... feel free to contact us,thank you very much NBR foam grip bicycle hand grip