Tumbler with Instant Chiller Iced Coffee Maker Tumbler Stainless Steel Insulated

Yolin Tumbler with Instant Chiller, Iced Coffee Maker Tumbler Stainless Steel Vacuum Insulated, Detachable and Reusable, 30 Oz (Black, 1Tumbler+1Chiller) Brand Yolin Material Stainless Steel Color Black Capacity 1.9 Pounds Style Modern Ice coffee Tumbler: It can cool down a 176℉/80℃ hot drink by 86℉/30℃ in 1 minute (a perfect substitute for a cold brew coffee maker)；Keeping cold for at least 12 hours in a boiling day Zero Dilution & 100% Delicious: Perfect for chilling all of your favorite beverages whether coffee or wine without dilution, at the same time, retain 100% original flavor absolutely No-slip design: It's constructed of 18/8 stainless steel and vacuum double-wall insulation and features a non-sweat rubber cup sleeve; all parts are BPA free and dishwasher safe Exclusively patented design: It's a 20 oz iced coffee bottle with the frozen stick, and becomes a 30 oz large-capacity stainless steel mug without it. Meet the different needs in party, travel Portable anti-leakage tumblers: Sealing lid is designed to prevent leaking even with 360-degree rotation and bumps, and fits in most car cup-holders.