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The Black+Blum Explorer is a double-walled stainless steel bottle with a leak-proof lid and a plastic carry loop. It keeps drinks cold or hot for hours and is built for commuting, hiking and desk use. Against plain single-wall bottles it adds insulation and a sealed lid; against heavier vacuum flasks it is easier to carry. Owners like the build and the leak-proof seal, though some find it heavier than expected and awkward to clean.
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Lowest price we've seen: $34.00 on Nov 14 at Traininn.com; highest $39.00 on Nov 13. Tracked across 7 stores since Nov 13.
Owners rate the Explorer for its seal and insulation, saying drinks stay cold through a long day and the lid does not leak in a bag. Criticism centers on weight and on cleaning the narrow mouth.
The Black+Blum Leak Proof Insulated Steel Explorer is a water bottle made from stainless steel and plastic. It is leak-proof and BPA-free.
