The 32oz double wall vacuum insulated Howler is great for carrying your coffee, daily ice water, or for those times you need to pour 2 pints for your friends. The buckle lid seals in carbonation, heat, and ice for your beverages. The insulated technology keeps drinks cold 24+ hours and hot up to 12 hours. Made from 18/8 Medical grade stainless steel that doesn't transfer flavour or aftertaste, BPA free, buckle lid that locks in place when opened and a threadless lid that seals carbonation.