Double-Layer Insulation: A hollow, dual-layered design that keeps food warm for up to 2 hours while keeping the exterior cool to the touch to prevent scalding. Innovative Lid: Includes a drainage hole for pouring out excess water and a built-in mobile phone holder to allow for hands-free viewing while eating. Handle: Equipped with an ergonomic, anti-slip handle for a secure and comfortable grip. Sealing: Often contains a silicone sealing ring to maintain freshness and prevent leaks. Designed for soaking and cooking instant ramen, udon, or pasta by simply adding boiling water and using the drain hole for dry noodles like yakisoba.