Stay Hot, Stay Cool! 🔥❄️ Crafted from double-walled stainless steel for a sleek look and long-lasting performance. Travel worry-free with a leak-proof lid that keeps your beverages secure. Experience the ultimate temperature retention with 12 hours of heat and 24 hours of chill. Savor every sip with a steam release button that ensures your drinks are just right. Enjoy your meals on-the-go with a foldable spork that fits perfectly in the lid. Leak Proof 12 Hours Hot 24 Hours Cold The Costco High Sierra Food Jars Set includes two 24 oz jars designed to keep your beverages hot for 12 hours and cold for 24 hours. Each jar features a foldable spork that conveniently fits in the lid, a steam release button for optimal sipping, and a leak-proof stainless steel lid, ensuring durability and functionality for all your adventures.