Klean Kanteen Wide Mouth Water Bottle with Loop Cap Insulated, stainless steel hot/cold beverage/food containers from Klean Kanteen with loop cap Double-walled vacuum insulated design keeps contents hot for up to six hours and cold for up to 24 hours Loop cap and bottle create a 100 percent 18/8, food-grade stainless steel interior with stainless steel No BPA, phthalates, lead, or other harmful substances; reusable/recyclable; doesn't retain flavors Wide mouth design for easy filling and cleaning