Why most insulated coffee mugs with handles are cylindrical and boring - straight and square?Why not getting the unique wine-glass shape coffee tumbler with a handle to add stylish for your desk, kitchen, living room, or any workplace?Grandties insulated coffee cups with handle features a unique wine-glass shape with a sliding lid. You may open or close the sliding lid with one finger to allow you easily sip your drink from the cup. The silicone O-Ring seals off the mug completely to prevent leaks or spills during transportation.It features a handle to help carry your drink in the office, kitchen, living room, outdoors, or on the go-to. With the double-walled vacuum design, it will keep your iced coffee, cold brew, beer, hot chocolate, latte, cappuccino, espresso, tea, or others as cold or hot as it shall for hours.Volume: 16 oz / 480mlSpecial feature: Sliding lid easily opens or closes with one finger, with dissemble option for easy cleaning bodyBody: Double-Wall of Premium 18/8Material: 304-Grade Food Quality Stainless SteelCoating: Scratch-Proof Powder CoatingLid & Handle: Silicone Rubber, PBT PlasticSafe and Healthy for you and the environment - BPA, BPS, BPF, Toxic-freeTips for maximizing the Drinkware's life:CLEANING - wash after every use, especially when used liquid other than water.CARE - DO NOT use abrasive cleaners such as chlorine or bleach nor use hard scrubbersNOT TO BE USED - with microwave, oven, or freezer. Color: Black.