About this item KEEP DRINKS COLD UP TO 34 HOURS WARM UP TO 8 HOURS,NO SWEAT:double walled insulated mug use 18/8 stainless steel provide excellent keep-cold effect. 2 PCS MULTI-FUNCTION LID:this lid allow you to drink,sip or gulp.It comes with a durable stainless steel straw, the straw end with a soft silicone cover-Avoid metallic taste and more safer BIG STAINLESS STEEL HANDLE:Strong and durable,never come off or break.Big size provide a comfortable grip. SUPERIOR POWDER COATED FINISH:with the special finish,the painting on the stainless steel mug is scratch proof. LIFETIME CUSTOMER SERVICE & 100% SATISFACTION: If the tumbler had any quality problem,please contact with us. We are happy to provide money back or a new replacement for you.