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EcoVessel - BLDR32SE
BOULDER TriMax® Insulated Stainless Steel Water Bottle - 32 oz - Silver Express
The BOULDER is a high performance, vacuum insulated hydration vessel that will keep your drinks hot or cold, hour after hour. Made from premium 18/8 stainless steel, it features our signature TriMax® triple insulation - the 24 oz has been tested to keep liquids cold for 40 hours and hot for up to 12 hours.