Reactive dyes of the formula STR1 in which D is the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide dye, B1 and B2 are independently of each other hydrogen or alkyl which has 1 to 4 carbon atoms and which can be substituted by halogen, hydroxyl, cyano, C1-4 alkoxy, C1-4 alkoxycarbonyl, carboxyl, sulfamoyl, sulfo or sulfato, X is fluorine, chlorine, bromine, sulfo, alkylsulfonyl having 1 to 4 C atoms or phenylsulfonyl, B is a --CH2 --n or --O--CH2 --n radical, n is 1 to 6, R is a radical of the formula STR2 Z is β-sulfatoethyl, β-thiosulfatoethyl, β-phosphatoethyl, β-acyloxyethyl, β-haloethyl or vinyl, alk is an alkylene radical having 1 to 6 C atoms or a branched isomer thereof, Y is hydrogen, chlorine, bromine, fluorine, hydroxyl, sulfato, acyloxy having 1 to 4 C atoms, cyano, carboxyl, alkoxycarbonyl having 1 to 5 C atoms, carbamoyl or a --SO2 --Z radical, in which Z is as defined above, V is hydrogen or an alkyl radical having 1 to 4 C atoms and which can be substituted by carboxyl or sulfo groups or by derivatives thereof, or by alkoxy groups having 1 to 2 C atoms, halogen or hydroxyl, or a STR3 radical in which Z, alk and Y are as defined above, R1 is hydrogen or C1-6 alkyl, the alk's are independently of each other polymethylene radicals having 2 to 6 C atoms or branched isomers thereof, m is 1 to 6, p is 1 to 6 and q is 1 to 6, and the benzene or naphthalene radical A can contain further substituents are suitable in particular for dyeing or printing cellulose-containing fibre materials by the cold pad-batch method and, while giving a high dyeing yield, produce dyeings and prints having good fastness properties.