Patented leak-proof sealing slider for easy open/close|Handle with cork inlay|Vacuum insulated stainless steel keeps beverages hot for 5 hours, cold for 20|Hand wash vessel recommended. Lid is dishwasher safe.|Certified BPA-free, phthalates-free, PVC-free, lead-free, and cadmium-free|Proposition 65 Compliant|Meets FDA Requirements|BPA Free