Straw Comparison Stainless Steel Straw - Mass: 15g - Energy: 900 KJ per straw (60GJ per ton of stainless) - Composition: 18% Chromium (Cr) 8% Nickel (Ni)

Straw Comparison Stainless Steel Straw - Mass: 15g - Energy: 900 KJ per straw (60GJ per ton of stainless) - Composition: 18% Chromium (Cr) 8% Nickel (Ni) 74% Iron (Fe) - Note: High chromium content, which can be hazardous Plastic Straw - Mass: 0.5g - Energy: 10 kJ (25MJ/kg for HDPE) 90 reuses needed to break even. Now include the energy for washing and the chance of losing the stainless one. Plastic looks like a winner here.