- Key Features • 32 oz capacity – balanced for active hydration • Leak-proof when straw is down/closed • Triple-wall insulation for long-lasting cold • Hygienic flip straw; side grip indents • Bucket handle for easy carry • Cup-holder compatible tapered base • Rubber base adds grip and protects surfaces • 18/8 stainless steel body and BPA-free components • Dishwasher-safe design