FIELD: articles for laying the table. SUBSTANCE: cup is made from flexible impermeable material and is formed as double-walled receptacle. Cup is provided with pipe union for supplying air into cavity between walls. Neck portion of cup and base of cup have annular cavities interconnected through rigidity ribs, which are made in the form of hollow inflatable channels with direction of channels coinciding with cylindrical generatrix of cup. When channels and annular cavities are inflated, they form rigidity members of frame construction, which facilitate retaining of working shape of cup. EFFECT: increased convenience and strength of cup. 2 cl, 3 dwg
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