Triple insulation: TriMax insulation keeps drinks cold for 36 hours and hot for up to 10 hours. All while keeping your hands dry with its condensation free benefits
Premium: 18/8 stainless steel, drinks do not touch plastic. No BPA, phthalates, or liners. Recyclable
Bonus: includes a removeable ice, fruit, tea strainer and a flexible, sturdy carrying strap that can be used with a Carabiner
Variety: available in a variety of colors and styles, in both our durable powder coated finish or our stainless steel finish
Dual use top: the boulder includes a multi-lid top with a wide opening for filling and a narrow mouth for drinking and is interchangeable with our coffee and flip straw tops
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