Stay hydrated in style with the Frank Green 1L Buttermilk Bottle, featuring a convenient flip-straw lid. Designed for both form and function, this bottle combines a premium stainless-steel outer shell with a ceramic-lined interior to preserve the pure taste of your drink — free from any metallic aftertaste. Its triple-wall vacuum insulation keeps beverages cold or hot for hours, making it perfect for work, travel or daily routines. The soft, creamy buttermilk colour adds a calm, modern aesthetic that looks as good as it performs.

Features

• Triple-wall vacuum insulation for long-lasting temperature control. 
  
• Ceramic-lined interior ensures your drink stays flavour-perfect and free from metallic notes. 
  
• Leak-resistant flip-straw lid for easy, one-handed sipping and secure closure. 
  
• BPA-free and made with FDA & EU-approved materials for safety and sustainability.
  

Specifications

• Capacity: 1L (34 oz) 
  
• Material: Stainless steel exterior with a ceramic-lined interior 
  
• Colour: Buttermilk (soft creamy yellow) 
  
• Care instructions: Lid is dishwasher safe; base should be hand-washed. Not suitable for microwave use.