2-IN-1 VERSATILE DESIGN - Our latest design includes a tumbler lid and straw, making it a 32 oz tumbler. It can also be used as a universal iced coffee sleeve with our silicone ring. Compatible with small, medium, and large coffee cups from popular brands like Starbucks and Dunkin Donuts.
DOUBLE-WALL VACUUM INSULATION - Our iced coffee sleeves are made from 18/8 stainless steel with double-wall vacuum insulation. This technology keeps your coffee and beverages hot for over 6 hours or cold for over 12 hours. It fits most car cup holders for convenient use on the go.
20X COLDER ICED COFFEE SLEEVE - Our stainless steel sleeve with triple insulated technology keeps your drinks incredibly cold. It is 20X colder than a neoprene sleeve and can keep your drink cold for up to 12 hours, even on hot summer days. Enjoy the same icy and refreshing taste with every sip.
SWEAT-PROOF - Unlike traditional neoprene sleeves, our stainless steel sleeve effectively keeps your hands warm and dry. No more desk puddles, table rings, or slippery hands. With Niceyos, you can enjoy your iced drink hassle-free.
PERFECT GIFTS FOR COLD DRINK LOVERS - Niceyos iced coffee sleeves make great gifts for those who love iced coffee and cold beverages. With its solid engineering, it can withstand harsh environments and last for years. Niceyos tumblers also come with a limited lifetime warranty against manufacturing defects.