A customer favorite with a ceramic upgrade, Simple Modern Classic Signature Tumbler is constructed with new ceramic-lining for non-metallic aftertaste. The double-walled vacuum insulated stainless steel exterior will keep drinks hot or cold for hours. Now with a push-lock lid, keep every drop inside when you push the silicone straw down and pull up to unlock when you’re ready to sip. The flexible silicone straw and paired plastic straw is BPA-free and is removable for easier cleaning. Take this tumbler anywhere with the cupholder friendly base and silicone grip bottom.