Meet the CORKCICLE Cruiser 40 Oz Tumbler in a refreshing River Rock hue, engineered to keep drinks cold for up to 20 hours and hot for 9 hours. This triple-insulated stainless steel marvel features a dual function sip and straw lid, spill-proof design, and a comfort-grip handle. Its user-friendly construction includes flat sides for easy gripping and a non-slip silicone bottom, making it both cupholder friendly and dishwasher safe. With a generous 40-ounce capacity, it's perfect for everyday adventures.