FIELD: packing; vessels or bottles for liquid products. SUBSTANCE: wall of bottle has intermediate layer made of foamed plastic which is enclosed in outer solid layers of plastic of the same type. Material of foamed intermediate layer has two polymer components : rigid and plastic, their ratio in mixture being from 1:3 to 3:1. at least 50% of total weight of bottle falls on intermediate layer. EFFECT: reduced consumption of material for making the bottle at preservation of high mechanical strength and rigidity of bottles. 4 cl, 1 dwg
