Duke 500 ml copper vacuum insulated sport bottle

Duke 500 ml copper vacuum insulated sport bottle. The Duke Bottle is double wall 18/8 grade stainless steel with vacuum insulation. The inner wall is plated with copper for ultimate conductivity to keep drinks hot for 12 hours and cold for 48 hours. Volume capacity is 500 ml. Presented in an Avenue gift box. Stainless steel.

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