PERFECT GIFT: The set of 2 insulated champagne flutes are given to your family, dad, mom, wife, husband, grandma, grandpa, friends, sisters, bride and groom, coworkers at engagement, wedding, anniversary, Christmas, birthday, bridal shower, valentine's day... DOUBLE WALL INSULATION: These stainless steel champagne tumblers feature double wall insulation technology, which can keep hot for 3 hours or cold for 6 hours, so you can enjoy your favourite drink with this champagne tumblers all year round. HIGH-QUALITY MATERIAL: Made of high quality 304 food grade stainless steel, this double wall insulated champagne flute is easy to clean. VERSATILE USE: Our champagne flute tumbler with lid is very suitable for indoor and outdoor: home, office, parties, BBQ, pool, picnic, camping, beach, RV tours, family gathering, wedding, engagement... SUITABLE CAPACITY: The stainless steel champagne flute with the capacity of 12 ounces is easy to hold and could satisfy your needs for hot or cold beverages: wine, beer, coffee, water, champagne, cocktail, smoothie, juice, milk, ice cream... EXTRA ACCESSORIES: To make it easy for you to enjoy your favourite beverages, our 2 pack stainless steel unbreakable cocktail cups are equipped with practical accessories that include 2 × lids, 2 × stainless steel straws, 2 × straw brushes, 1 × cup brush.