Tubular wrap without suture for food molded by blow in a surface ratio of 1: 2 to 1:10 and manufactured from a thermoplastic mixture characterized in that it comprises a) thermoplastic starch and / or a derivative of thermoplastic starch and b) to less another polymer that can be obtained by polycondensation or polyaddition and that is selected from the group consisting of a homo- or copolymer with hydroxycarboxylic acid units, a polyesterurethane, a polyetherurethane, a polyestereterurethane, a poly (vinyl acetate) and a poly ( alkylene carbonate), the poly (alkylene carbonate) corresponding to the formula - [CHR1-CHR2-O-CO-O-] n, wherein R1 and R2 independently represent a hydrogen atom or a (C1-) alkyl moiety C4) and n is an integer from 10 to 5,000, and the weight ratio a): b) being in the range of 90:10 to 10:90.
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