From road trips to endless our s at the beach, our 40 oz Wide Mouth bottle keeps you wellhydrated from sun up to sun down. TempShield double wall vacuum insulation makes sure our water stays icy cold up to 24 hours or our coffee piping hot up to 12 hours. Large insulated water bottle for longer adventures Fits most backcountry hydration filters, TempShield insulation eliminates condensation and keeps beverages cold up to 24 hours and hot up to 12 hours. Durable 18/8 proGrade Stainless Steel construction. BPA Free and Phthalate Free.